{"id":101664,"date":"2026-09-07T06:17:56","date_gmt":"2026-09-06T22:17:56","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/101664.html"},"modified":"2026-09-07T06:17:56","modified_gmt":"2026-09-06T22:17:56","slug":"linux%e6%9d%83%e9%99%90%e7%ae%a1%e7%90%86%e4%b8%87%e5%ad%97%e8%af%a6%e8%a7%a3%ef%bd%9c%e7%94%a8%e6%88%b7%e4%bd%93%e7%b3%bb%e3%80%81%e8%a7%92%e8%89%b2%e5%b1%9e%e6%80%a7%e4%b8%8e%e5%a4%9a%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/101664.html","title":{"rendered":"Linux\u6743\u9650\u7ba1\u7406\u4e07\u5b57\u8be6\u89e3\uff5c\u7528\u6237\u4f53\u7cfb\u3001\u89d2\u8272\u5c5e\u6027\u4e0e\u591a\u7528\u6237\u534f\u4f5c\uff0c\u7ed3\u5408\u5e95\u5c42\u539f\u7406\u5256\u6790"},"content":{"rendered":"

\u76ee\u5f55<\/p>\n

\u5f15\u8a00：<\/p>\n

1. Linux \u7528\u6237\u4f53\u7cfb<\/p>\n

1.1 \u4e24\u79cd\u7528\u6237\u7c7b\u578b<\/p>\n

1.2 \u7528\u6237\u5207\u6362：su \u547d\u4ee4<\/p>\n

2. \u6743\u9650\u5bf9\u6bd4\u6f14\u793a<\/p>\n

2.1 \u573a\u666f：\u5b89\u88c5\u53ef\u6267\u884c\u7a0b\u5e8f<\/p>\n

2.2 \u666e\u901a\u7528\u6237\u5c1d\u8bd5（\u5931\u8d25）<\/p>\n

2.3 \u8d85\u7ea7\u7528\u6237\u6267\u884c（\u6210\u529f）<\/p>\n

3. \u4e34\u65f6\u63d0\u6743：sudo \u547d\u4ee4<\/p>\n

3.1 \u4e3a\u4ec0\u4e48\u9700\u8981 sudo？<\/p>\n

3.2 sudo \u4f7f\u7528\u524d\u63d0<\/p>\n

3.3 \u914d\u7f6e sudo \u6743\u9650<\/p>\n

3.4 sudo \u5b9e\u6218\u6f14\u793a<\/p>\n

4. \u6743\u9650\u7684\u672c\u8d28\u7406\u89e3<\/p>\n

4.1 \u73b0\u5b9e\u4e16\u754c\u7684\u6743\u9650<\/p>\n

4.2 \u4e3a\u4ec0\u4e48\u9700\u8981\u6743\u9650？<\/p>\n

4.3 \u6743\u9650\u7684\u7ec4\u6210\u516c\u5f0f<\/p>\n

5. Linux \u6587\u4ef6\u6743\u9650\u4f53\u7cfb<\/p>\n

5.1 \u4e09\u79cd\u89d2\u8272<\/p>\n

5.2 \u6587\u4ef6\u6743\u9650\u5c5e\u6027<\/p>\n

5.3 \u89e3\u8bfb ll \u547d\u4ee4\u8f93\u51fa<\/p>\n

5.4 \u6743\u9650\u9a8c\u8bc1\u5b9e\u4f8b<\/p>\n

6. \u7406\u8bba\u94fa\u57ab\u5b8c\u6210<\/p>\n

6.1 \u89d2\u8272\u4e0e\u5c5e\u6027\u7684\u7ed3\u5408\u8868\u8ff0<\/p>\n

6.2 \u7406\u8bba\u9636\u6bb5\u603b\u7ed3<\/p>\n

7. \u4fee\u6539\u6587\u4ef6\u6743\u9650：chmod<\/p>\n

7.1 \u547d\u4ee4\u57fa\u7840<\/p>\n

7.2 chmod \u547d\u4ee4\u8be6\u89e3<\/p>\n

7.3 \u7b26\u53f7\u6a21\u5f0f\u5b9e\u6218<\/p>\n

7.4 \u516b\u8fdb\u5236\u6570\u5b57\u6a21\u5f0f<\/p>\n

7.5 \u6743\u9650\u9a8c\u8bc1\u4e0e\u5173\u952e\u8ba4\u77e5<\/p>\n

1. \u6743\u9650\u62d2\u7edd\u573a\u666f：<\/p>\n

2. \u53bb\u6389\u8bfb\u6743\u9650\u540e：<\/p>\n

3. \u89d2\u8272\u5339\u914d\u4f18\u5148\u7ea7：<\/p>\n

4. root \u7684\u7279\u6743：<\/p>\n

5. \u53ef\u6267\u884c\u6743\u9650\u7684\u672c\u8d28：<\/p>\n

8. \u4fee\u6539\u6587\u4ef6\u5f52\u5c5e：chown \u4e0e chgrp<\/p>\n

8.1 chown：\u4fee\u6539\u62e5\u6709\u8005<\/p>\n

8.2 chgrp：\u4fee\u6539\u6240\u5c5e\u7ec4<\/p>\n

8.3 \u540c\u65f6\u4fee\u6539\u62e5\u6709\u8005\u548c\u6240\u5c5e\u7ec4<\/p>\n

9. \u76ee\u5f55\u6743\u9650\u8be6\u89e3<\/p>\n

9.1 \u76ee\u5f55\u7684 rwx \u542b\u4e49<\/p>\n

9.2 root \u7684\u7edd\u5bf9\u6743\u9650<\/p>\n

10. \u7528\u6237\u9694\u79bb\u673a\u5236<\/p>\n

10.1 \u5bb6\u76ee\u5f55\u7684\u6743\u9650\u8bbe\u8ba1<\/p>\n

11. \u9ed8\u8ba4\u6743\u9650\u4e0e umask<\/p>\n

11.1 \u9ed8\u8ba4\u6743\u9650<\/p>\n

11.2 \u5b9e\u9645\u770b\u5230\u7684\u6743\u9650<\/p>\n

11.3 umask \u673a\u5236<\/p>\n

11.4 umask \u7684\u4f5c\u7528<\/p>\n

12. \u7c98\u6ede\u4f4d：\u89e3\u51b3\u76ee\u5f55\u5199\u6743\u9650\u7684\u9690\u60a3<\/p>\n

12.1 \u95ee\u9898\u73b0\u8c61<\/p>\n

12.2 \u7c98\u6ede\u4f4d（Sticky Bit）<\/p>\n

13. \u591a\u7528\u6237\u6587\u4ef6\u7ea7\u534f\u4f5c\u5b9e\u8df5<\/p>\n

13.1 \u534f\u4f5c\u573a\u666f\u7684\u9700\u6c42<\/p>\n

13.2 \/tmp \u76ee\u5f55：\u7cfb\u7edf\u7ea7\u7684\u534f\u4f5c\u7a7a\u95f4<\/p>\n

13.3 \u81ea\u5b9a\u4e49\u7c98\u6ede\u4f4d\u76ee\u5f55<\/p>\n

13.4 \u65b9\u6848\u5bf9\u6bd4<\/p>\n

13.5 \u6700\u4f73\u5b9e\u8df5\u5efa\u8bae<\/p>\n

\u672c\u8282\u547d\u4ee4\u901f\u67e5\u8868<\/p>\n

\u6743\u9650\u4f53\u7cfb\u5b8c\u6574\u603b\u7ed3<\/p>\n

\u7ed3\u8bed：<\/p>\n

\n

\u5f15\u8a00：<\/h2>\n

Linux \u4f5c\u4e3a\u591a\u7528\u6237\u64cd\u4f5c\u7cfb\u7edf，\u6743\u9650\u7ba1\u7406\u662f\u5176\u5b89\u5168\u4f53\u7cfb\u7684\u57fa\u77f3\u3002\u65e0\u8bba\u662f\u4e2a\u4eba\u5f00\u53d1\u73af\u5883\u8fd8\u662f\u4f01\u4e1a\u751f\u4ea7\u670d\u52a1\u5668，\u7406\u89e3\u5e76\u6b63\u786e\u914d\u7f6e\u6743\u9650，\u90fd\u662f\u4fdd\u969c\u7cfb\u7edf\u5b89\u5168\u3001\u5b9e\u73b0\u9ad8\u6548\u534f\u4f5c\u7684\u524d\u63d0\u3002<\/p>\n

\u672c\u6587\u5c06\u4ece\u6700\u57fa\u7840\u7684\u7528\u6237\u7c7b\u578b\u51fa\u53d1，\u9010\u6b65\u6df1\u5165\u5230\u6743\u9650\u7684\u672c\u8d28\u3001\u89d2\u8272\u7684\u8bbe\u8ba1\u3001\u5c5e\u6027\u7684\u64cd\u4f5c，\u6700\u7ec8\u843d\u5b9e\u5230\u591a\u7528\u6237\u534f\u4f5c\u7684\u5b9e\u6218\u573a\u666f\u3002\u901a\u8fc7"\u7406\u8bba\u94fa\u57ab \u2192 \u547d\u4ee4\u5b9e\u64cd \u2192 \u573a\u666f\u5e94\u7528"\u7684\u4e09\u6bb5\u5f0f\u7ed3\u6784，\u5e2e\u52a9\u4f60\u5efa\u7acb\u5b8c\u6574\u7684 Linux \u6743\u9650\u8ba4\u77e5\u6846\u67b6\u3002<\/p>\n

\u63a5\u4e0b\u6765\u8fdb\u5165\u6b63\u6587\u2014\u2014\u2014\u2014><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\"\"<\/p>\n<\/p>\n

\n

1. Linux \u7528\u6237\u4f53\u7cfb<\/h2>\n

1.1 \u4e24\u79cd\u7528\u6237\u7c7b\u578b<\/h3>\n

Linux \u7cfb\u7edf\u4e0b\u6709\u4e24\u79cd\u6838\u5fc3\u7528\u6237：<\/p>\n\n\u7528\u6237\u7c7b\u578b\u547d\u4ee4\u63d0\u793a\u7b26\u6743\u9650\u8303\u56f4<\/tr>\n\n\n\n
\u8d85\u7ea7\u7528\u6237 (root)<\/span><\/td>\n#<\/span><\/td>\n\u4e0d\u53d7\u9650\u5236，\u53ef\u6267\u884c\u4efb\u4f55\u64cd\u4f5c<\/span><\/td>\n<\/tr>\n
\u666e\u901a\u7528\u6237<\/span><\/td>\n$<\/span><\/td>\n\u53d7\u9650，\u53ea\u80fd\u64cd\u4f5c\u81ea\u5df1\u7684\u8d44\u6e90<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

💡\u00a0\u7c7b\u6bd4 Windows：Windows \u4e2d\u7684"\u4ee5\u7ba1\u7406\u5458\u8eab\u4efd\u8fd0\u884c"\u5c31\u662f\u4e34\u65f6\u83b7\u53d6\u8d85\u7ea7\u7528\u6237\u6743\u9650\u3002<\/span><\/p>\n

\n

1.2 \u7528\u6237\u5207\u6362：su \u547d\u4ee4<\/h3>\n

\u57fa\u672c\u7528\u6cd5：<\/p>\n

# root \u2192 \u666e\u901a\u7528\u6237
\n[root@VM-0-2-centos ~]# su qyh<\/p>\n

# \u666e\u901a\u7528\u6237 \u2192 root（\u9700\u8f93\u5165 root \u5bc6\u7801）
\n[qyh@VM-0-2-centos ~]$ su root <\/p>\n

su vs su – \u7684\u533a\u522b：<\/p>\n

# su：\u4ec5\u5207\u6362\u8eab\u4efd，\u4e0d\u6539\u53d8\u5f53\u524d\u76ee\u5f55
\n[root@VM-0-2-centos 2026_9_5]# su qyh
\n[qyh@VM-0-2-centos 2026_9_5]$ pwd
\n\/root\/2026_9_5 # \u2190 \u4ecd\u5728\u539f\u76ee\u5f55<\/p>\n

# su -：\u91cd\u65b0\u767b\u5f55，\u5207\u6362\u5230\u7528\u6237\u4e3b\u76ee\u5f55
\n[root@VM-0-2-centos 2026_9_5]# su – qyh
\n[qyh@VM-0-2-centos ~]$ pwd
\n\/home\/qyh # \u2190 \u5df2\u5207\u6362\u5230\u7528\u6237\u4e3b\u76ee\u5f55 <\/p>\n\n\u5bf9\u6bd4\u9879<\/span>su<\/span>su –<\/span><\/tr>\n\n\n\n\n
\u5f53\u524d\u76ee\u5f55<\/span><\/td>\n\u4e0d\u53d8<\/span><\/td>\n\u5207\u6362\u5230\u7528\u6237\u4e3b\u76ee\u5f55<\/span><\/td>\n<\/tr>\n
\u73af\u5883\u53d8\u91cf<\/span><\/td>\n\u4fdd\u7559\u539f\u7528\u6237（\u4e0d\u91cd\u65b0\u767b\u5f55，\u4ec5\u8eab\u4efd\u5207\u6362）<\/span><\/td>\n\u52a0\u8f7d\u65b0\u7528\u6237\u73af\u5883（\u91cd\u65b0\u767b\u5f55）<\/span><\/td>\n<\/tr>\n
\u4f7f\u7528\u573a\u666f<\/span><\/td>\n\u4e34\u65f6\u6267\u884c\u547d\u4ee4<\/span><\/td>\n\u5b8c\u5168\u5207\u6362\u7528\u6237\u73af\u5883<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n

2. \u6743\u9650\u5bf9\u6bd4\u6f14\u793a<\/h2>\n

2.1 \u573a\u666f：\u5b89\u88c5\u53ef\u6267\u884c\u7a0b\u5e8f<\/h3>\n

\u7f16\u8bd1\u7a0b\u5e8f\u5e76\u5c1d\u8bd5\u5b89\u88c5\u5230\u7cfb\u7edf\u76ee\u5f55：<\/p>\n

# \u7f16\u8bd1\u7a0b\u5e8f
\n[root@VM-0-2-centos 2026_9_5]# gcc run1.c -o run1
\n[root@VM-0-2-centos 2026_9_5]# .\/run1
\nhello linux
\n^C <\/p>\n

\u76ee\u6807：\u5c06\u00a0run1\u00a0\u62f7\u8d1d\u5230\u00a0\/usr\/bin，\u4f7f\u5176\u50cf\u7cfb\u7edf\u547d\u4ee4\u4e00\u6837\u76f4\u63a5\u53ef\u7528\u3002<\/p>\n

💡\u00a0\u539f\u7406：\u7cfb\u7edf\u547d\u4ee4（\u5982\u00a0ls\u3001tree）\u80fd\u76f4\u63a5\u6267\u884c，\u662f\u56e0\u4e3a\u5b83\u4eec\u5b58\u653e\u5728\u00a0\/usr\/bin\u00a0\u7b49\u7cfb\u7edf\u76ee\u5f55\u4e2d\u3002\u6211\u4eec\u4e0b\u8f7d\u7684\u8f6f\u4ef6\u80fd\u76f4\u63a5\u7528 tree,sz,rz\u4e5f\u662f\u56e0\u4e3a\u5b58\u653e\u5728\u4e86\u00a0\/usr\/bin\u00a0\u7b49\u7cfb\u7edf\u76ee\u5f55\u4e2d<\/p>\n

\n

2.2 \u666e\u901a\u7528\u6237\u5c1d\u8bd5（\u5931\u8d25）<\/h3>\n

# \u5207\u6362\u5230\u666e\u901a\u7528\u6237
\n[root@VM-0-2-centos 2026_9_5]# su qyh<\/p>\n

# \u5c1d\u8bd5\u62f7\u8d1d\u5230\u7cfb\u7edf\u76ee\u5f55
\n[qyh@VM-0-2-centos 2026_9_5]$ cp run1 \/usr\/bin
\ncp: cannot create regular file '\/usr\/bin\/run1': Permission denied <\/p>\n

\u5931\u8d25\u539f\u56e0：\/usr\/bin\u00a0\u662f\u7cfb\u7edf\u76ee\u5f55，\u666e\u901a\u7528\u6237\u6ca1\u6709\u5199\u5165\u6743\u9650\u3002<\/span><\/p>\n

\n

2.3 \u8d85\u7ea7\u7528\u6237\u6267\u884c（\u6210\u529f）<\/h3>\n

# \u5207\u6362\u56de root
\n[qyh@VM-0-2-centos 2026_9_5]$ su
\nPassword: <\/p>\n

# \u6267\u884c\u62f7\u8d1d
\n[root@VM-0-2-centos 2026_9_5]# cp run1 \/usr\/bin<\/p>\n

# \u9a8c\u8bc1\u5b89\u88c5\u6210\u529f
\n[root@VM-0-2-centos 2026_9_5]# run1
\nhello linux
\n^C
\n[root@VM-0-2-centos 2026_9_5]# which run1
\n\/usr\/bin\/run1 <\/p>\n

\n

3. \u4e34\u65f6\u63d0\u6743：sudo \u547d\u4ee4<\/h2>\n

3.1 \u4e3a\u4ec0\u4e48\u9700\u8981 sudo？<\/h3>\n

\u573a\u666f：\u666e\u901a\u7528\u6237\u5076\u5c14\u9700\u8981\u6267\u884c\u9ad8\u6743\u9650\u64cd\u4f5c，\u4f46\u4e0d\u60f3\u9891\u7e41\u5207\u6362\u7528\u6237\u3002<\/p>\n

sudo \u7684\u4f5c\u7528：\u5141\u8bb8\u666e\u901a\u7528\u6237\u4e34\u65f6\u4ee5 root \u6743\u9650\u6267\u884c\u6307\u5b9a\u547d\u4ee4（\u6bd4\u5982\u5b89\u88c5\u5220\u9664\u8f6f\u4ef6）\u3002<\/p>\n

\n

3.2 sudo \u4f7f\u7528\u524d\u63d0<\/h3>\n

[qyh@VM-0-2-centos ~]$ sudo ls
\n[sudo] password for qyh:
\nqyh is not in the sudoers file. This incident will be reported. <\/p>\n

\u9519\u8bef\u539f\u56e0：\u7528\u6237\u4e0d\u5728\u00a0sudoers\u00a0\u767d\u540d\u5355\u4e2d\u3002<\/p>\n

sudoers \u6587\u4ef6：<\/p>\n

[qyh@VM-0-2-centos ~]$ ll \/etc\/sudoers
\n-r–r—– 1 root root 4363 Jul 30 16:12 \/etc\/sudoers <\/p>\n\n\u5c5e\u6027<\/span>\u8bf4\u660e<\/span><\/tr>\n\n\n\n\n
\u62e5\u6709\u8005<\/span><\/td>\nroot<\/span><\/td>\n<\/tr>\n
\u6743\u9650<\/span><\/td>\n\u4ec5 root \u53ef\u8bfb\u53ef\u5199<\/span><\/td>\n<\/tr>\n
\u4f5c\u7528<\/span><\/td>\n\u7ba1\u7406\u54ea\u4e9b\u7528\u6237\u53ef\u4ee5\u4f7f\u7528 sudo<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u7528sudo\u63d0\u6743\u7684\u65f6\u5019，\u9a8c\u8bc1\u7684\u65f6\u5019\u7528\u7684\u4e0d\u662f\u7ba1\u7406\u5458\u7684\u5bc6\u7801，\u800c\u662f\u81ea\u5df1\u666e\u901a\u7528\u6237\u7684\u5bc6\u7801，\u5c31\u662f\u56e0\u4e3a\u8fd9\u4e2asudoers\u7684\u5b58\u5728，sudoers\u76ee\u5f55\u53ea\u80fd\u88abroot\u64cd\u4f5c，\u4e5f\u5c31\u662f\u95f4\u63a5\u8fd8\u662f\u8fdb\u884c\u4e86\u4fdd\u62a4<\/p>\n

\n

3.3 \u914d\u7f6e sudo \u6743\u9650<\/h3>\n

\u5fc5\u987b\u4ee5 root \u8eab\u4efd\u7f16\u8f91：<\/p>\n

[root@VM-0-2-centos ~]# vim \/etc\/sudoers<\/p>\n

# \u6dfb\u52a0\u666e\u901a\u7528\u6237（\u683c\u5f0f\u4e0e root \u76f8\u540c）：
\nroot ALL=(ALL) ALL
\nqyh ALL=(ALL) ALL <\/p>\n

\n

3.4 sudo \u5b9e\u6218\u6f14\u793a<\/h3>\n

# \u666e\u901a\u7528\u6237\u521b\u5efa\u6587\u4ef6
\n[qyh@VM-0-2-centos ~]$ > nor_1<\/p>\n

# \u4f7f\u7528 sudo \u521b\u5efa root \u6743\u9650\u6587\u4ef6
\n[qyh@VM-0-2-centos ~]$ sudo touch root_1
\n[sudo] password for qyh: # \u2190 \u8f93\u5165\u666e\u901a\u7528\u6237\u81ea\u5df1\u7684\u5bc6\u7801<\/p>\n

# \u67e5\u770b\u6587\u4ef6\u5c5e\u6027
\n[qyh@VM-0-2-centos ~]$ ll
\ntotal 0
\n-rw-rw-r– 1 qyh qyh 0 Sep 5 15:41 nor_1 # \u2190 \u666e\u901a\u6587\u4ef6
\n-rw-r–r– 1 root root 0 Sep 5 15:41 root_1 # \u2190 root \u521b\u5efa\u7684\u6587\u4ef6<\/p>\n

# \u666e\u901a\u7528\u6237\u53ef\u4ee5\u4fee\u6539\u81ea\u5df1\u7684\u6587\u4ef6
\n[qyh@VM-0-2-centos ~]$ echo "wahaha" > nor_1
\n[qyh@VM-0-2-centos ~]$ cat nor_1
\nwahaha<\/p>\n

# \u65e0\u6cd5\u4fee\u6539 root \u7684\u6587\u4ef6
\n[qyh@VM-0-2-centos ~]$ echo "ye" > root_1
\n-bash: root_1: Permission denied <\/p>\n

🏢\u00a0\u4f01\u4e1a\u5b9e\u8df5：\u65b0\u5458\u5de5\u9700\u8981 sudo \u6743\u9650\u65f6，\u9700\u5411\u7cfb\u7edf\u7ba1\u7406\u5458\u7533\u8bf7，\u7531\u7ba1\u7406\u5458\u5c06\u5176\u52a0\u5165\u00a0sudoers\u00a0\u6587\u4ef6\u3002\u80fd\u88ab sudo \u6388\u6743\u7684\u7528\u6237\u90fd\u662f\u88ab\u4fe1\u4efb\u7684\u3002<\/p>\n

\n

\n

4. \u6743\u9650\u7684\u672c\u8d28\u7406\u89e3<\/h2>\n

4.1 \u73b0\u5b9e\u4e16\u754c\u7684\u6743\u9650<\/h3>\n\n\u573a\u666f<\/span>\u6743\u9650\u4f53\u73b0<\/span><\/tr>\n\n\n\n\n
\u6821\u957f\u529e\u516c\u5ba4<\/span><\/td>\n\u6821\u957f\u80fd\u8fdb，\u5b66\u751f\u4e0d\u80fd\u8fdb<\/span><\/td>\n<\/tr>\n
\u89c6\u9891\u7f51\u7ad9 VIP<\/span><\/td>\nVIP \u80fd\u770b\u9ad8\u6e05，\u666e\u901a\u7528\u6237\u4e0d\u80fd<\/span><\/td>\n<\/tr>\n
\u516c\u53f8\u673a\u5bc6\u6587\u4ef6<\/span><\/td>\n\u7ba1\u7406\u5c42\u80fd\u770b，\u666e\u901a\u5458\u5de5\u4e0d\u80fd<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6838\u5fc3\u7ed3\u8bba：\u6743\u9650\u7684\u672c\u8d28\u662f\u80fd\u6216\u4e0d\u80fd\u505a\u67d0\u4ef6\u4e8b\u3002<\/p>\n

\n

4.2 \u4e3a\u4ec0\u4e48\u9700\u8981\u6743\u9650？<\/h3>\n

\u76ee\u7684：\u63a7\u5236\u7528\u6237\u884c\u4e3a，\u9632\u6b62\u9519\u8bef\u548c\u6df7\u4e71\u3002<\/p>\n

\u4e3e\u4f8b：\u7528\u6237 A \u548c\u7528\u6237 B \u5171\u7528\u4e00\u53f0\u673a\u5668，\u5982\u679c\u6ca1\u6709\u6743\u9650\u9694\u79bb：<\/p>\n

    \n
  • \u7528\u6237 A \u8f9b\u82e6\u5199\u7684\u4ee3\u7801，\u7528\u6237 B \u53ef\u4ee5\u8f7b\u6613\u5220\u9664<\/li>\n
  • \u7cfb\u7edf\u5173\u952e\u914d\u7f6e\u88ab\u8bef\u6539，\u5bfc\u81f4\u670d\u52a1\u5d29\u6e83<\/li>\n<\/ul>\n

    🌍\u00a0\u793e\u4f1a\u7c7b\u6bd4：\u56fd\u5bb6\u7684\u6cd5\u5f8b\u672c\u8d28\u4e0a\u4e5f\u662f\u4e00\u79cd"\u6743\u9650"，\u901a\u8fc7\u89c4\u5219\u7ea6\u675f\u884c\u4e3a，\u7ef4\u62a4\u793e\u4f1a\u79e9\u5e8f\u3002<\/p>\n

    \n

    4.3 \u6743\u9650\u7684\u7ec4\u6210\u516c\u5f0f<\/h3>\n

    \u6743\u9650 = \u89d2\u8272（\u4eba） + \u76ee\u6807\u5c5e\u6027（\u4e8b\u7269\u7279\u6027） <\/p>\n

    \u4e24\u4e2a\u5fc5\u8981\u6761\u4ef6：<\/p>\n\n\u6761\u4ef6<\/span>\u8bf4\u660e<\/span>\u793a\u4f8b<\/span><\/tr>\n\n\n\n
    \u89d2\u8272\u5339\u914d<\/span><\/td>\n\u4f60\u662f\u8c01\u4e0d\u91cd\u8981，\u626e\u6f14\u4ec0\u4e48\u89d2\u8272\u624d\u91cd\u8981<\/span><\/td>\n\u6821\u957f\u80fd\u8fdb\u529e\u516c\u5ba4\u662f\u56e0\u4e3a"\u6821\u957f"\u89d2\u8272，\u4e0d\u662f\u56e0\u4e3a\u6821\u957f\u540d\u662f"\u5f20\u4e09"<\/span><\/td>\n<\/tr>\n
    \u76ee\u6807\u5177\u5907\u5c5e\u6027<\/span><\/td>\n\u76ee\u6807\u4e8b\u7269\u5fc5\u987b\u6709\u5bf9\u5e94\u7684\u5c5e\u6027<\/span><\/td>\n\u5373\u4f7f LeetCode \u6700\u9ad8\u4f1a\u5458，\u4e5f\u65e0\u6cd5\u5728\u4e0a\u9762\u770b\u7535\u5f71（\u5e73\u53f0\u6ca1\u6709\u89c6\u9891\u5c5e\u6027）<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \"\"<\/p>\n<\/p>\n

    \n

    5. Linux \u6587\u4ef6\u6743\u9650\u4f53\u7cfb<\/h2>\n

    \u56e0\u4e3a\u6211\u4eec\u66fe\u7ecf\u5b66\u8fc7Linux\u4e0b\u4e00\u5207\u7686\u6587\u4ef6，\u6240\u4ee5\u6211\u4eec\u8981\u5b66\u4e60Linux\u7684\u6743\u9650\u6211\u4eec\u9762\u5bf9\u7684\u5bf9\u8c61\u90fd\u662f\u6587\u4ef6<\/p>\n

    5.1 \u4e09\u79cd\u89d2\u8272<\/h3>\n

    Linux \u4e3a\u6bcf\u4e2a\u6587\u4ef6\u5b9a\u4e49\u4e86\u4e09\u79cd\u89d2\u8272：<\/p>\n\n\u89d2\u8272<\/span>\u8bf4\u660e<\/span><\/tr>\n\n\n\n\n
    \u62e5\u6709\u8005 (Owner)<\/span><\/td>\n\u6587\u4ef6\u7684\u521b\u5efa\u8005，\u9ed8\u8ba4\u62e5\u6709\u6700\u9ad8\u6743\u9650<\/span><\/td>\n<\/tr>\n
    \u6240\u5c5e\u7ec4 (Group)<\/span><\/td>\n\u4e0e\u62e5\u6709\u8005\u540c\u7ec4\u7684\u7528\u6237\u96c6\u5408<\/span><\/td>\n<\/tr>\n
    \u5176\u4ed6\u7528\u6237 (Other)<\/span><\/td>\n\u65e2\u4e0d\u662f\u62e5\u6709\u8005，\u4e5f\u4e0d\u5c5e\u4e8e\u6240\u5c5e\u7ec4\u7684\u7528\u6237<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    -rw-rw-r– 1 qyh qyh 7 Sep 5 15:41 nor_1
    \n \u2502 \u2502
    \n \u2502 \u2514\u2500\u2500 \u6240\u5c5e\u7ec4
    \n \u2514\u2500\u2500 \u62e5\u6709\u8005<\/p>\n

    \u8fd9\u5c31\u548c\u6211\u4eec\u4e0a\u9762\u5f20\u4e09\u4e0e\u6821\u957f\u7684\u5173\u7cfb\u4e00\u6837，\u62e5\u6709\u8005，\u6240\u5c5e\u7ec4，other\u8fd9\u4e9b\u90fd\u662f\u89d2\u8272，\u800croot,qyh\u8fd9\u4e9b\u5bf9\u5e94\u7684\u5c31\u662f\u5177\u4f53\u7684\u4eba<\/p>\n

    \u6240\u4ee5\u4e00\u4e2a\u6587\u4ef6，\u4ed6\u7684\u62e5\u6709\u8005\u548c\u6240\u5c5e\u7ec4\u901a\u5e38\u662f\u6709\u5bf9\u5e94\u7684\u89d2\u8272\u7684，\u800c\u8fd9\u6837\u7684\u89d2\u8272\u901a\u5e38\u662f\u8981\u7531\u5bf9\u5e94\u7684\u4eba\u6765\u626e\u6f14\u7684，\u6240\u4ee5\u89d2\u8272\u548c\u4eba\u4fe9\u8005\u4e0d\u4f46\u4e0d\u51b2\u7a81，\u800c\u4e14\u662f\u4e92\u8865\u7684<\/p>\n

    \u4e3a\u4ec0\u4e48\u9700\u8981"\u6240\u5c5e\u7ec4"？<\/p>\n

    \u573a\u666f：\u516c\u53f8\u5185\u90e8\u91c7\u7528"\u8d5b\u9a6c\u5236\u5ea6"，A \u7ec4\u548c B \u7ec4\u5728\u540c\u4e00\u53f0\u670d\u52a1\u5668\u4e0a\u5f00\u53d1\u540c\u7c7b\u4ea7\u54c1\u3002\u5f20\u4e09\u5728 A \u7ec4\u76ee\u5f55\u4e0b\u5199\u4ee3\u7801，\u9700\u8981\u5411 A \u7ec4\u6210\u5458\u5c55\u793a，\u4f46\u4e0d\u60f3\u8ba9 B \u7ec4\u770b\u5230\u3002<\/p>\n

    \u89e3\u51b3\u65b9\u6848：\u5c06 A \u7ec4\u6240\u6709\u7528\u6237\u52a0\u5165\u6587\u4ef6\u7684"\u6240\u5c5e\u7ec4"，\u5f00\u653e\u6240\u5c5e\u7ec4\u6743\u9650\u3002\u8fd9\u6837\u65e2\u65b9\u4fbf\u7ec4\u5185\u534f\u4f5c，\u53c8\u4fdd\u62a4\u4e86\u4ee3\u7801\u4e0d\u88ab\u7ade\u4e89\u5bf9\u624b（B \u7ec4）\u83b7\u53d6\u3002<\/p>\n

    \"\"<\/p>\n

    \u6240\u4ee5\u6709\u6240\u5c5e\u7ec4\u7684\u6839\u672c\u539f\u56e0\u5c31\u662f\u4e3a\u4e86\u8fdb\u884c\u66f4\u7cbe\u7ec6\u7684\u6743\u9650\u7ba1\u7406，\u800c\u4e3a\u4e86\u8fdb\u884c\u66f4\u7cbe\u7ec6\u5316\u7684\u6743\u9650\u7ba1\u7406\u5c31\u9700\u8981\u6709\u66f4\u7cbe\u7ec6\u5316\u7684\u8eab\u4efd\u89d2\u8272<\/p>\n

    \u4e3a\u4ec0\u4e48 Other \u4e0d\u9700\u8981\u8bb0\u5f55？<\/p>\n

      \n
    • \u62e5\u6709\u8005\u548c\u6240\u5c5e\u7ec4\u9700\u8981\u660e\u786e\u6307\u5b9a\u5177\u4f53\u7684\u4eba\u6216\u7ec4<\/li>\n
    • Other \u662f"\u515c\u5e95"\u89d2\u8272：\u53ea\u8981\u4e0d\u662f\u62e5\u6709\u8005，\u4e5f\u4e0d\u5c5e\u4e8e\u6240\u5c5e\u7ec4，\u5c31\u662f Other<\/li>\n
    • Other \u53ef\u80fd\u5305\u542b\u7cfb\u7edf\u4e0a\u6240\u6709\u5176\u4ed6\u7528\u6237，\u6570\u91cf\u4e0d\u56fa\u5b9a，\u65e0\u9700\u9010\u4e00\u8bb0\u5f55<\/li>\n<\/ul>\n
      \n

      5.2 \u6587\u4ef6\u6743\u9650\u5c5e\u6027<\/h3>\n

      Linux \u4e2d\u6587\u4ef6\u4e0e\u6743\u9650\u76f8\u5173\u7684\u5c5e\u6027\u6709\u4e09\u79cd：<\/p>\n\n\u5c5e\u6027<\/span>\u7b26\u53f7<\/span>\u8bf4\u660e<\/span><\/tr>\n\n\n\n\n
      \u8bfb\u6743\u9650<\/span><\/td>\nr<\/span><\/td>\n\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9 \/ \u5217\u51fa\u76ee\u5f55\u5185\u5bb9<\/span><\/td>\n<\/tr>\n
      \u5199\u6743\u9650<\/span><\/td>\nw<\/span><\/td>\n\u4fee\u6539\u6587\u4ef6\u5185\u5bb9 \/ \u5728\u76ee\u5f55\u4e2d\u521b\u5efa\u5220\u9664\u6587\u4ef6<\/span><\/td>\n<\/tr>\n
      \u6267\u884c\u6743\u9650<\/span><\/td>\nx<\/span><\/td>\n\u6267\u884c\u6587\u4ef6（\u7a0b\u5e8f\/\u811a\u672c）\/ \u8fdb\u5165\u76ee\u5f55<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      5.3 \u89e3\u8bfb ll \u547d\u4ee4\u8f93\u51fa<\/h3>\n

      [qyh@VM-0-2-centos ~]$ ll
      \ntotal 4
      \n-rw-rw-r– 1 qyh qyh 7 Sep 5 15:41 nor_1
      \n-rw-r–r– 1 root root 0 Sep 5 15:41 root_1 <\/p>\n

      \u5b57\u6bb5\u89e3\u6790：<\/p>\n

      -rw-rw-r– 1 qyh qyh 7 Sep 5 15:41 nor_1
      \n\u2502\u2502 \u2502 \u2502 \u2502 \u2502 \u2502 \u2502 \u2502 \u2502
      \n\u2502\u2502 \u2502 \u2502 \u2502 \u2502 \u2502 \u2502 \u2502 \u2514\u2500\u2500 \u6587\u4ef6\u540d
      \n\u2502\u2502 \u2502 \u2502 \u2502 \u2502 \u2502 \u2502 \u2514\u2500\u2500 \u4fee\u6539\u65f6\u95f4
      \n\u2502\u2502 \u2502 \u2502 \u2502 \u2502 \u2502 \u2514\u2500\u2500 \u6587\u4ef6\u5927\u5c0f（\u5b57\u8282）
      \n\u2502\u2502 \u2502 \u2502 \u2502 \u2502 \u2514\u2500\u2500 \u6240\u5c5e\u7ec4
      \n\u2502\u2502 \u2502 \u2502 \u2502 \u2514\u2500\u2500 \u62e5\u6709\u8005
      \n\u2502\u2502 \u2502 \u2502 \u2514\u2500\u2500 \u786c\u94fe\u63a5\u6570
      \n\u2502\u2502 \u2502 \u2514\u2500\u2500 \u5176\u4ed6\u7528\u6237\u6743\u9650
      \n\u2502\u2502 \u2514\u2500\u2500 \u6240\u5c5e\u7ec4\u6743\u9650
      \n\u2502\u2514\u2500\u2500 \u62e5\u6709\u8005\u6743\u9650
      \n\u2514\u2500\u2500\u6587\u4ef6\u7c7b\u578b <\/p>\n

      \u6743\u9650\u4f4d\u8be6\u89e3（\u4ee5\u00a0-rw-rw-r–\u00a0\u4e3a\u4f8b）：<\/p>\n

      – rw- rw- r–
      \n\u6587\u4ef6\u7c7b\u578b \u62e5\u6709\u8005 \u6240\u5c5e\u7ec4 \u5176\u4ed6\u7528\u6237
      \n (user) (group) (other) <\/p>\n\n\u4f4d\u7f6e<\/span>\u5b57\u7b26<\/span>\u542b\u4e49<\/span><\/tr>\n\n\n\n\n\n
      \u7b2c 1 \u4f4d<\/span><\/td>\n–<\/span><\/td>\n\u6587\u4ef6\u7c7b\u578b（-\u00a0\u666e\u901a\u6587\u4ef6，d\u00a0\u76ee\u5f55，l\u00a0\u94fe\u63a5）<\/span><\/td>\n<\/tr>\n
      \u7b2c 2-4 \u4f4d<\/span><\/td>\nrw-<\/span><\/td>\n\u62e5\u6709\u8005\u6743\u9650：\u8bfb\u3001\u5199\u3001\u4e0d\u53ef\u6267\u884c<\/span><\/td>\n<\/tr>\n
      \u7b2c 5-7 \u4f4d<\/span><\/td>\nrw-<\/span><\/td>\n\u6240\u5c5e\u7ec4\u6743\u9650：\u8bfb\u3001\u5199\u3001\u4e0d\u53ef\u6267\u884c<\/span><\/td>\n<\/tr>\n
      \u7b2c 8-10 \u4f4d<\/span><\/td>\nr–<\/span><\/td>\n\u5176\u4ed6\u7528\u6237\u6743\u9650：\u53ea\u8bfb<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

      \u6743\u9650\u4f4d\u89c4\u5219：<\/p>\n

        \n
      • \u6bcf\u7ec4\u56fa\u5b9a 3 \u4e2a\u4f4d\u7f6e，\u987a\u5e8f\u4e0d\u53ef\u53d8：r（\u8bfb）\u3001w（\u5199）\u3001x（\u6267\u884c）<\/li>\n
      • \u6709\u6743\u9650\u663e\u793a\u5bf9\u5e94\u5b57\u6bcd，\u65e0\u6743\u9650\u663e\u793a\u00a0–<\/li>\n
      • \u987a\u5e8f\u4e0d\u80fd\u98a0\u5012，\u5fc5\u987b\u6309\u00a0rwx\u00a0\u6392\u5217<\/li>\n<\/ul>\n

        \"\"<\/p>\n

        \n

        5.4 \u6743\u9650\u9a8c\u8bc1\u5b9e\u4f8b<\/h3>\n

        # nor_1 \u6587\u4ef6\u6743\u9650：-rw-rw-r–
        \n# \u62e5\u6709\u8005(qyh)：\u8bfb\u3001\u5199 \u2713
        \n# \u6240\u5c5e\u7ec4(qyh)：\u8bfb\u3001\u5199 \u2713
        \n# \u5176\u4ed6\u7528\u6237：\u8bfb \u2713，\u5199 \u2717<\/p>\n

        [qyh@VM-0-2-centos ~]$ echo "test" > nor_1 # \u62e5\u6709\u8005\u53ef\u4ee5\u5199 \u2713
        \n[qyh@VM-0-2-centos ~]$ cat nor_1 # \u6240\u6709\u4eba\u90fd\u53ef\u4ee5\u8bfb \u2713<\/p>\n

        # root_1 \u6587\u4ef6\u6743\u9650：-rw-r–r–
        \n# \u62e5\u6709\u8005(root)：\u8bfb\u3001\u5199
        \n# \u5176\u4ed6\u7528\u6237：\u53ea\u8bfb<\/p>\n

        [qyh@VM-0-2-centos ~]$ echo "test" > root_1 # \u5176\u4ed6\u7528\u6237\u4e0d\u80fd\u5199 \u2717
        \n-bash: root_1: Permission denied <\/p>\n

        \n

        6. \u7406\u8bba\u94fa\u57ab\u5b8c\u6210<\/h2>\n

        6.1 \u89d2\u8272\u4e0e\u5c5e\u6027\u7684\u7ed3\u5408\u8868\u8ff0<\/h3>\n

        \u81f3\u6b64，\u6211\u4eec\u5df2\u7ecf\u638c\u63e1\u4e86 Linux \u6743\u9650\u7684\u4e24\u4e2a\u6838\u5fc3\u8981\u7d20：<\/p>\n\n\u8981\u7d20<\/span>\u5185\u5bb9<\/span>\u8868\u793a\u65b9\u5f0f<\/span><\/tr>\n\n\n\n
        \u89d2\u8272<\/span><\/td>\n\u62e5\u6709\u8005\u3001\u6240\u5c5e\u7ec4\u3001Other<\/span><\/td>\n\u6587\u4ef6\u5f52\u5c5e\u4fe1\u606f（\u7b2c3\u30014\u5217）<\/span><\/td>\n<\/tr>\n
        \u5c5e\u6027<\/span><\/td>\n\u8bfb(r)\u3001\u5199(w)\u3001\u6267\u884c(x)<\/span><\/td>\n\u6743\u9650\u4f4d\u5b57\u7b26\u4e32（\u7b2c1\u5217）<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u5b8c\u6574\u7684\u6743\u9650\u8868\u8ff0\u65b9\u5f0f：<\/p>\n

        \u63cf\u8ff0\u4e00\u4e2a\u6587\u4ef6\u7684\u6743\u9650\u65f6，\u5fc5\u987b\u5c06\u89d2\u8272\u548c\u76ee\u6807\u5c5e\u6027\u7ed3\u5408\u8d77\u6765\u8868\u8ff0\u3002<\/span><\/p>\n

        \u793a\u4f8b：-rw-rw-r– 1 qyh qyh 7 Sep 5 15:41 nor_1<\/p>\n\n\u8868\u8ff0\u7ef4\u5ea6\u5177\u4f53\u5185\u5bb9<\/tr>\n\n\n\n\n\n
        \u62e5\u6709\u8005\u6743\u9650<\/td>\nqyh\u00a0\u5177\u5907\u00a0\u8bfb\u3001\u5199\u00a0\u6743\u9650（rw-）<\/td>\n<\/tr>\n
        \u6240\u5c5e\u7ec4\u6743\u9650<\/td>\nqyh\u00a0\u7ec4\u5177\u5907\u00a0\u8bfb\u3001\u5199\u00a0\u6743\u9650（rw-）<\/td>\n<\/tr>\n
        \u5176\u4ed6\u7528\u6237\u6743\u9650<\/td>\n\u5176\u4ed6\u7528\u6237\u4ec5\u5177\u5907\u00a0\u8bfb\u00a0\u6743\u9650（r–）<\/td>\n<\/tr>\n
        \u4e0d\u5177\u5907\u7684\u6743\u9650<\/td>\n\u6240\u6709\u89d2\u8272\u90fd\u4e0d\u5177\u5907\u00a0\u6267\u884c\u00a0\u6743\u9650（-）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u9519\u8bef\u8868\u8ff0："\u8fd9\u4e2a\u6587\u4ef6\u6743\u9650\u662f rw-"\u00a0\u6b63\u786e\u8868\u8ff0："\u8fd9\u4e2a\u6587\u4ef6\u7684\u62e5\u6709\u8005\u5177\u5907\u8bfb\u3001\u5199\u6743\u9650，\u6240\u5c5e\u7ec4\u5177\u5907\u8bfb\u3001\u5199\u6743\u9650，\u5176\u4ed6\u7528\u6237\u5177\u5907\u8bfb\u6743\u9650"<\/p>\n

        💡\u00a0\u5173\u952e\u8ba4\u77e5：\u5355\u72ec\u7684\u00a0rw-\u00a0\u6ca1\u6709\u4efb\u4f55\u610f\u4e49，\u5fc5\u987b\u660e\u786e"\u8c01"\u62e5\u6709\u8fd9\u4e2a\u6743\u9650\u3002\u89d2\u8272\u548c\u5c5e\u6027\u7f3a\u4e00\u4e0d\u53ef，\u4e8c\u8005\u7ed3\u5408\u624d\u80fd\u6784\u6210\u5b8c\u6574\u7684\u6743\u9650\u6982\u5ff5\u3002<\/span><\/p>\n

        \n

        6.2 \u7406\u8bba\u9636\u6bb5\u603b\u7ed3<\/h3>\n\n\u6a21\u5757<\/span>\u6838\u5fc3\u5185\u5bb9<\/span><\/tr>\n\n\n\n\n\n\n\n
        \u7528\u6237\u4f53\u7cfb<\/span><\/td>\nroot vs \u666e\u901a\u7528\u6237，su\/su -\/sudo\u00a0\u63d0\u6743\u673a\u5236<\/span><\/td>\n<\/tr>\n
        \u6743\u9650\u672c\u8d28<\/span><\/td>\n\u6743\u9650 = \u89d2\u8272 + \u76ee\u6807\u5c5e\u6027<\/span><\/td>\n<\/tr>\n
        \u4e09\u79cd\u89d2\u8272<\/span><\/td>\n\u62e5\u6709\u8005（Owner）\u3001\u6240\u5c5e\u7ec4（Group）\u3001\u5176\u4ed6\u7528\u6237（Other）<\/span><\/td>\n<\/tr>\n
        \u4e09\u79cd\u5c5e\u6027<\/span><\/td>\n\u8bfb（r）\u3001\u5199（w）\u3001\u6267\u884c（x）<\/span><\/td>\n<\/tr>\n
        \u6743\u9650\u8868\u793a<\/span><\/td>\nll\u00a0\u547d\u4ee4\u7684 10 \u4f4d\u6743\u9650\u5b57\u7b26\u4e32\u89e3\u8bfb<\/span><\/td>\n<\/tr>\n
        \u5b8c\u6574\u8868\u8ff0<\/span><\/td>\n\u89d2\u8272 + \u5c5e\u6027\u7684\u7ed3\u5408\u63cf\u8ff0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \n

        7. \u4fee\u6539\u6587\u4ef6\u6743\u9650：chmod<\/h2>\n

        7.1 \u547d\u4ee4\u57fa\u7840<\/h3>\n

        \u6743\u9650\u4fee\u6539\u7684\u672c\u8d28：\u56f4\u7ed5"\u89d2\u8272"\u548c"\u76ee\u6807\u5c5e\u6027"\u4e24\u4e2a\u7ef4\u5ea6\u5c55\u5f00\u3002<\/p>\n\n\u4fee\u6539\u5bf9\u8c61<\/span>\u547d\u4ee4<\/span>\u8bf4\u660e<\/span><\/tr>\n\n\n\n\n
        \u76ee\u6807\u5c5e\u6027（\u6743\u9650\u4f4d）<\/span><\/td>\nchmod<\/span><\/td>\n\u4fee\u6539\u8bfb\/\u5199\/\u6267\u884c\u6743\u9650<\/span><\/td>\n<\/tr>\n
        \u89d2\u8272（\u62e5\u6709\u8005）<\/span><\/td>\nchown<\/span><\/td>\n\u4fee\u6539\u6587\u4ef6\u62e5\u6709\u8005<\/span><\/td>\n<\/tr>\n
        \u89d2\u8272（\u6240\u5c5e\u7ec4）<\/span><\/td>\nchgrp<\/span><\/td>\n\u4fee\u6539\u6587\u4ef6\u6240\u5c5e\u7ec4<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
        \n

        7.2 chmod \u547d\u4ee4\u8be6\u89e3<\/h3>\n

        \u529f\u80fd：\u8bbe\u7f6e\u6587\u4ef6\u7684\u8bbf\u95ee\u6743\u9650<\/p>\n

        \u683c\u5f0f：chmod [\u53c2\u6570] \u6743\u9650 \u6587\u4ef6\u540d<\/span><\/p>\n

        \u5e38\u7528\u9009\u9879：<\/p>\n

          \n
        • -R：\u9012\u5f52\u4fee\u6539\u76ee\u5f55\u53ca\u5176\u5b50\u6587\u4ef6\u7684\u6743\u9650<\/li>\n<\/ul>\n

          \u26a0\ufe0f\u00a0\u91cd\u8981：\u53ea\u6709\u6587\u4ef6\u7684\u62e5\u6709\u8005\u548c root \u624d\u80fd\u4fee\u6539\u6587\u4ef6\u6743\u9650\u3002<\/span><\/p>\n

          \u6743\u9650\u503c\u683c\u5f0f\u4e00：\u7b26\u53f7\u6a21\u5f0f<\/p>\n\n\u64cd\u4f5c\u7b26\u542b\u4e49\u793a\u4f8b<\/tr>\n\n\n\n\n
          +<\/td>\n\u589e\u52a0\u6743\u9650<\/td>\nchmod u+w file<\/td>\n<\/tr>\n
          –<\/td>\n\u53d6\u6d88\u6743\u9650<\/td>\nchmod o-x file<\/td>\n<\/tr>\n
          =<\/td>\n\u8d4b\u4e88\u6307\u5b9a\u6743\u9650<\/td>\nchmod a=r file<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u7528\u6237\u7b26\u53f7：<\/p>\n\n\u7b26\u53f7\u4ee3\u8868\u89d2\u8272<\/tr>\n\n\n\n\n\n
          u<\/td>\n\u62e5\u6709\u8005（user）<\/td>\n<\/tr>\n
          g<\/td>\n\u6240\u5c5e\u7ec4（group）<\/td>\n<\/tr>\n
          o<\/td>\n\u5176\u4ed6\u7528\u6237（other）<\/td>\n<\/tr>\n
          a<\/td>\n\u6240\u6709\u7528\u6237（all = u+g+o）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u6743\u9650\u503c\u683c\u5f0f\u4e8c：\u516b\u8fdb\u5236\u6570\u5b57<\/p>\n\n\u6570\u5b57\u4e8c\u8fdb\u5236\u6743\u9650<\/tr>\n\n\n\n\n\n\n\n\n\n
          7<\/td>\n111<\/td>\nrwx<\/td>\n<\/tr>\n
          6<\/td>\n110<\/td>\nrw-<\/td>\n<\/tr>\n
          5<\/td>\n101<\/td>\nr-x<\/td>\n<\/tr>\n
          4<\/td>\n100<\/td>\nr–<\/td>\n<\/tr>\n
          3<\/td>\n011<\/td>\n-wx<\/td>\n<\/tr>\n
          2<\/td>\n010<\/td>\n-w-<\/td>\n<\/tr>\n
          1<\/td>\n001<\/td>\n–x<\/td>\n<\/tr>\n
          0<\/td>\n000<\/td>\n—<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
          \n

          7.3 \u7b26\u53f7\u6a21\u5f0f\u5b9e\u6218<\/h3>\n

          # \u67e5\u770b\u521d\u59cb\u6743\u9650
          \n[qyh@VM-0-2-centos linux-sys-prog]$ ll
          \ntotal 24
          \n-rw-rw-r– 1 qyh qyh 18763 Sep 5 21:30 Linux sysprog.txt
          \n-rw-rw-r– 1 qyh qyh 7 Sep 5 21:34 nor_1<\/p>\n

          # \u5206\u6b65\u4fee\u6539\u6743\u9650
          \n[qyh@VM-0-2-centos linux-sys-prog]$ chmod o-r nor_1 # \u53bb\u6389\u5176\u4ed6\u7528\u6237\u7684\u8bfb\u6743\u9650
          \n[qyh@VM-0-2-centos linux-sys-prog]$ chmod u+x nor_1 # \u7ed9\u62e5\u6709\u8005\u6dfb\u52a0\u6267\u884c\u6743\u9650
          \n[qyh@VM-0-2-centos linux-sys-prog]$ chmod g=rx nor_1 # \u8bbe\u7f6e\u6240\u5c5e\u7ec4\u4e3a\u8bfb+\u6267\u884c<\/p>\n

          # \u67e5\u770b\u4fee\u6539\u7ed3\u679c
          \n[qyh@VM-0-2-centos linux-sys-prog]$ ll
          \ntotal 24
          \n-rw-rw-r– 1 qyh qyh 18763 Sep 5 21:30 Linux sysprog.txt
          \n-rwxr-x— 1 qyh qyh 7 Sep 5 21:34 nor_1 <\/p>\n

          \u6279\u91cf\u4fee\u6539\u591a\u4e2a\u89d2\u8272：<\/p>\n

          [qyh@VM-0-2-centos linux-sys-prog]$ chmod u-x,g+w,o+r nor_1
          \n[qyh@VM-0-2-centos linux-sys-prog]$ ll
          \ntotal 24
          \n-rw-rw-r– 1 qyh qyh 18763 Sep 5 21:30 Linux sysprog.txt
          \n-rw-rwxr– 1 qyh qyh 7 Sep 5 21:34 nor_1 <\/p>\n

          \n

          7.4 \u516b\u8fdb\u5236\u6570\u5b57\u6a21\u5f0f<\/h3>\n

          \u539f\u7406：\u5c06\u4e09\u7ec4\u00a0rwx\u00a0\u89c6\u4e3a\u4e09\u4f4d\u4e8c\u8fdb\u5236\u6570，\u8f6c\u6362\u4e3a\u516b\u8fdb\u5236\u3002<\/span><\/p>\n

          rw-rw-r– \u2192 110 110 100 \u2192 6 6 4 <\/p>\n

          \u5b9e\u6218：<\/p>\n

          # \u8bbe\u7f6e\u6743\u9650\u4e3a r–r–r–（444）
          \n[qyh@VM-0-2-centos linux-sys-prog]$ chmod 444 nor_1
          \n[qyh@VM-0-2-centos linux-sys-prog]$ ll
          \ntotal 24
          \n-rw-rw-r– 1 qyh qyh 18763 Sep 5 21:30 Linux sysprog.txt
          \n-r–r–r– 1 qyh qyh 9 Sep 6 13:34 nor_1 <\/p>\n

          💡\u00a0\u5bf9\u6bd4：chmod 444 file\u00a0\u6bd4\u00a0chmod a=r file\u00a0\u66f4\u7b80\u6d01，\u9002\u5408\u6279\u91cf\u8bbe\u7f6e\u3002<\/span><\/p>\n

          \n

          7.5 \u6743\u9650\u9a8c\u8bc1\u4e0e\u5173\u952e\u8ba4\u77e5<\/h3>\n

          1. \u6743\u9650\u62d2\u7edd\u573a\u666f：<\/h4>\n

          [qyh@VM-0-2-centos linux-sys-prog]$ ll nor_1
          \n-rwxr–r– 1 qyh qyh 9 Sep 6 13:34 nor_1<\/p>\n

          # \u62e5\u6709\u8005\u53ef\u8bfb\u53ef\u5199\u53ef\u6267\u884c
          \n[qyh@VM-0-2-centos linux-sys-prog]$ echo "in nor_1" > nor_1 # \u2713 \u5199\u6210\u529f
          \n[qyh@VM-0-2-centos linux-sys-prog]$ cat nor_1 # \u2713 \u8bfb\u6210\u529f<\/p>\n

          # \u5c1d\u8bd5\u6267\u884c
          \n[qyh@VM-0-2-centos linux-sys-prog]$ .\/nor_1
          \n-bash: .\/nor_1: Permission denied # \u2717 \u6267\u884c\u5931\u8d25 <\/p>\n

          2. \u53bb\u6389\u8bfb\u6743\u9650\u540e：<\/h4>\n

          [qyh@VM-0-2-centos linux-sys-prog]$ chmod u-r nor_1
          \n[qyh@VM-0-2-centos linux-sys-prog]$ ll
          \n–w-r–r– 1 qyh qyh 9 Sep 6 13:34 nor_1<\/p>\n

          # \u65e0\u6cd5\u8bfb\u53d6
          \n[qyh@VM-0-2-centos linux-sys-prog]$ cat nor_1
          \ncat: nor_1: Permission denied # \u2717 \u8bfb\u88ab\u62d2\u7edd <\/p>\n

          3. \u89d2\u8272\u5339\u914d\u4f18\u5148\u7ea7：<\/h4>\n

          🔑\u00a0\u6838\u5fc3\u89c4\u5219：\u7cfb\u7edf\u4ece\u524d\u5f80\u540e\u5339\u914d\u89d2\u8272，\u4e00\u65e6\u5339\u914d\u6210\u529f\u5373\u505c\u6b62，\u4e0d\u518d\u7ee7\u7eed\u68c0\u67e5\u540e\u7eed\u89d2\u8272\u3002<\/span><\/p>\n

          # qyh \u65e2\u662f\u62e5\u6709\u8005，\u53c8\u5728\u6240\u5c5e\u7ec4\u4e2d
          \n# \u4f46\u5339\u914d\u5230"\u62e5\u6709\u8005"\u540e\u5373\u505c\u6b62，\u4ee5\u62e5\u6709\u8005\u6743\u9650\u4e3a\u51c6
          \n# \u5373\u4f7f\u6240\u5c5e\u7ec4\u6709\u8bfb\u6743\u9650，\u62e5\u6709\u8005\u6ca1\u6709\u8bfb\u6743\u9650，qyh \u4e5f\u65e0\u6cd5\u8bfb\u53d6 <\/p>\n

          4. root \u7684\u7279\u6743：<\/h4>\n

          👑\u00a0root \u4e0d\u53d7\u4efb\u4f55\u6743\u9650\u7ea6\u675f，\u6240\u6709\u6743\u9650\u89c4\u5219\u4ec5\u5bf9\u666e\u901a\u7528\u6237\u751f\u6548\u3002<\/span><\/p>\n

          5. \u53ef\u6267\u884c\u6743\u9650\u7684\u672c\u8d28：<\/h4>\n

          [qyh@VM-0-2-centos linux-sys-prog]$ ll nor_1
          \n-rwxr–r– 1 qyh qyh 9 Sep 6 13:34 nor_1<\/p>\n

          [qyh@VM-0-2-centos linux-sys-prog]$ .\/nor_1
          \n.\/nor_1: line 1: syntax error near unexpected token `in'
          \n.\/nor_1: line 1: `in nor_1' <\/p>\n

          📌\u00a0\u91cd\u8981\u533a\u5206：<\/p>\n

            \n
          • \u53ef\u6267\u884c\u6743\u9650\u00a0= <\/span>\u5141\u8bb8\u6267\u884c\u7684\u673a\u4f1a（\u95e8\u69db）<\/span><\/li>\n
          • \u6587\u4ef6\u53ef\u6267\u884c\u00a0= <\/span>\u6587\u4ef6\u672c\u8eab\u662f\u6709\u6548\u7a0b\u5e8f（\u80fd\u529b）<\/span><\/li>\n<\/ul>\n

            \u4e8c\u8005\u5fc5\u987b\u540c\u65f6\u6ee1\u8db3，\u624d\u80fd\u771f\u6b63\u6267\u884c\u3002<\/span>\u7ed9\u6587\u672c\u6587\u4ef6\u52a0\u00a0x\u00a0\u6743\u9650，\u53ea\u662f\u7ed9\u4e86"\u673a\u4f1a"，\u4f46\u6587\u4ef6\u672c\u8eab\u4e0d\u5177\u5907"\u80fd\u529b"，\u6240\u4ee5\u6267\u884c\u5931\u8d25\u3002<\/span><\/p>\n

            \"\"<\/p>\n<\/p>\n

            \n

            8. \u4fee\u6539\u6587\u4ef6\u5f52\u5c5e：chown \u4e0e chgrp<\/h2>\n

            8.1 chown：\u4fee\u6539\u62e5\u6709\u8005<\/h3>\n

            \u529f\u80fd：\u4fee\u6539\u6587\u4ef6\u7684\u62e5\u6709\u8005<\/p>\n

            \u683c\u5f0f：chown [\u53c2\u6570] \u7528\u6237\u540d \u6587\u4ef6\u540d<\/span><\/p>\n

            \u5b9e\u4f8b：<\/p>\n

              \n
            • chown user1 file1<\/li>\n
            • chown -R user1 dir1（\u9012\u5f52\u4fee\u6539\u76ee\u5f55）<\/li>\n<\/ul>\n

              \u6743\u9650\u9650\u5236：<\/p>\n

              # \u666e\u901a\u7528\u6237\u65e0\u6cd5\u76f4\u63a5\u8f6c\u8ba9\u6587\u4ef6
              \n[qyh@VM-0-2-centos linux-sys-prog]$ chown root nor_1
              \nchown: changing ownership of 'nor_1': Operation not permitted<\/p>\n

              [qyh@VM-0-2-centos linux-sys-prog]$ chown QYH nor_1
              \nchown: changing ownership of 'nor_1': Operation not permitted <\/p>\n

              🤔\u00a0\u4e3a\u4ec0\u4e48\u4fee\u6539\u5c5e\u6027\u53ef\u4ee5\u81ea\u5df1\u6539，\u8f6c\u8ba9\u6587\u4ef6\u5374\u4e0d\u884c？<\/span><\/p>\n

              \u4fee\u6539\u5c5e\u6027（chmod）\u5f71\u54cd\u8303\u56f4\u4ec5\u9650\u4e8e\u81ea\u5df1，\u800c\u8f6c\u8ba9\u6587\u4ef6（chown）\u6d89\u53ca\u4ed6\u4eba\u5229\u76ca，\u9700\u8981\u66f4\u9ad8\u6743\u9650\u5ba1\u6838\u3002\u8fd9\u662f\u7cfb\u7edf\u7684\u5b89\u5168\u8bbe\u8ba1\u3002<\/span><\/p>\n

              \u4f7f\u7528 sudo \u63d0\u6743：<\/p>\n

              [qyh@VM-0-2-centos linux-sys-prog]$ sudo chown QYH nor_1
              \n[qyh@VM-0-2-centos linux-sys-prog]$ ll
              \n-rwxr–r– 1 QYH qyh 9 Sep 6 13:34 nor_1<\/p>\n

              [qyh@VM-0-2-centos linux-sys-prog]$ sudo chown root nor_1
              \n[qyh@VM-0-2-centos linux-sys-prog]$ ll
              \n-rwxr–r– 1 root qyh 9 Sep 6 13:34 nor_1 <\/p>\n

              \n

              8.2 chgrp：\u4fee\u6539\u6240\u5c5e\u7ec4<\/h3>\n

              \u529f\u80fd：\u4fee\u6539\u6587\u4ef6\u6216\u76ee\u5f55\u7684\u6240\u5c5e\u7ec4<\/p>\n

              \u683c\u5f0f：chgrp [\u53c2\u6570] \u7528\u6237\u7ec4\u540d \u6587\u4ef6\u540d<\/span><\/p>\n

              \u5b9e\u4f8b：chgrp users \/abc\/f2<\/p>\n

              \u540c\u6837\u9700\u8981 sudo \u63d0\u6743\u3002<\/p>\n

              \n

              8.3 \u540c\u65f6\u4fee\u6539\u62e5\u6709\u8005\u548c\u6240\u5c5e\u7ec4<\/h3>\n

              \u63a8\u8350\u7528\u6cd5：sudo chown \u62e5\u6709\u8005:\u6240\u5c5e\u7ec4 \u6587\u4ef6\u540d<\/span><\/p>\n

              [qyh@VM-0-2-centos linux-sys-prog]$ sudo chown QYH:QYH nor_1
              \n[qyh@VM-0-2-centos linux-sys-prog]$ ll
              \n-rwxr–r– 1 QYH QYH 9 Sep 6 13:34 nor_1 <\/p>\n

              💡\u00a0\u5b9e\u7528\u6280\u5de7：\u65e5\u5e38\u53ea\u9700\u8bb0\u4f4f\u00a0chown\u00a0\u5373\u53ef，chgrp\u00a0\u4ec5\u5728\u5355\u72ec\u4fee\u6539\u6240\u5c5e\u7ec4\u65f6\u4f7f\u7528\u3002<\/span><\/p>\n<\/p>\n

              \n

              9. \u76ee\u5f55\u6743\u9650\u8be6\u89e3<\/h2>\n

              9.1 \u76ee\u5f55\u7684 rwx \u542b\u4e49<\/h3>\n\n\u6743\u9650<\/span>\u5bf9\u76ee\u5f55\u7684\u4f5c\u7528<\/span>\u5931\u6548\u8868\u73b0<\/span><\/tr>\n\n\n\n\n
              r（\u8bfb）<\/span><\/td>\n\u67e5\u770b\u76ee\u5f55\u5185\u5bb9（ls）<\/span><\/td>\nls: Permission denied<\/span><\/td>\n<\/tr>\n
              w（\u5199）<\/span><\/td>\n\u521b\u5efa\/\u5220\u9664\u76ee\u5f55\u5185\u6587\u4ef6<\/span><\/td>\n\u65e0\u6cd5\u65b0\u5efa\u6216\u5220\u9664\u6587\u4ef6<\/span><\/td>\n<\/tr>\n
              x（\u6267\u884c）<\/span><\/td>\n\u8fdb\u5165\u76ee\u5f55（cd）<\/span><\/td>\ncd: Permission denied<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              \u9a8c\u8bc1：<\/p>\n

              [qyh@VM-0-2-centos linux-sys-prog]$ ll
              \ndrwxrwxr-x 2 qyh qyh 4096 Sep 6 19:26 code <\/p>\n

              📁\u00a0\u9ed8\u8ba4\u8981\u6c42：\u65b0\u5efa\u76ee\u5f55\u901a\u5e38\u9700\u8981\u00a0rwx\u00a0\u5168\u90e8\u6743\u9650，\u5426\u5219\u65e0\u6cd5\u6b63\u5e38\u8fdb\u5165\u548c\u64cd\u4f5c\u3002<\/span><\/p>\n

              \n

              9.2 root \u7684\u7edd\u5bf9\u6743\u9650<\/h3>\n

              👑\u00a0\u552f\u4e00\u4f8b\u5916：root \u51e0\u4e4e\u4e0d\u53d7\u6743\u9650\u7ea6\u675f，\u9664\u975e\u6587\u4ef6\u6b63\u88ab\u5176\u4ed6\u8fdb\u7a0b\u5360\u7528（\u7c7b\u4f3c Windows \u4e2d\u6b63\u5728\u8fd0\u884c\u7684\u7a0b\u5e8f\u65e0\u6cd5\u5220\u9664）\u3002<\/span><\/p>\n<\/p>\n

              \n

              10. \u7528\u6237\u9694\u79bb\u673a\u5236<\/h2>\n

              10.1 \u5bb6\u76ee\u5f55\u7684\u6743\u9650\u8bbe\u8ba1<\/h3>\n

              [qyh@VM-0-2-centos linux-sys-prog]$ ll \/home
              \ntotal 12
              \ndrwx—— 2 lighthouse lighthouse 4096 Jul 30 16:12 lighthouse
              \ndrwx—— 6 qyh qyh 4096 Sep 5 21:38 qyh
              \ndrwx—— 2 QYH QYH 4096 Sep 6 18:40 QYH <\/p>\n

              \u6743\u9650\u5206\u6790：drwx——<\/p>\n\n\u89d2\u8272<\/span>\u6743\u9650<\/span>\u6548\u679c<\/span><\/tr>\n\n\n\n\n
              \u62e5\u6709\u8005<\/span><\/td>\nrwx<\/span><\/td>\n\u53ef\u8fdb\u5165\u3001\u67e5\u770b\u3001\u64cd\u4f5c\u81ea\u5df1\u7684\u5bb6\u76ee\u5f55<\/span><\/td>\n<\/tr>\n
              \u6240\u5c5e\u7ec4<\/span><\/td>\n—<\/span><\/td>\n\u65e0\u4efb\u4f55\u6743\u9650<\/span><\/td>\n<\/tr>\n
              \u5176\u4ed6\u7528\u6237<\/span><\/td>\n—<\/span><\/td>\n\u65e0\u4efb\u4f55\u6743\u9650<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

              🔒\u00a0\u9694\u79bb\u539f\u7406：\u6bcf\u4e2a\u7528\u6237\u7684\u5bb6\u76ee\u5f55\u4ec5\u5bf9\u62e5\u6709\u8005\u5f00\u653e<\/span>，\u5176\u4ed6\u7528\u6237（\u5305\u62ec\u540c\u7ec4）\u65e0\u6cd5\u8fdb\u5165\u3002\u8fd9\u662f Linux \u591a\u7528\u6237\u9694\u79bb\u7684\u57fa\u7840\u3002<\/span><\/p>\n

              \u7528\u6237\u4e4b\u95f4\u5728\u57fa\u4e8e\u6743\u9650\u65b9\u9762\u5c31\u53ef\u4ee5\u5b9e\u73b0\u591a\u7528\u6237\u4e4b\u95f4\u7684\u9694\u79bb<\/span><\/p>\n<\/p>\n

              \n

              11. \u9ed8\u8ba4\u6743\u9650\u4e0e umask<\/h2>\n

              11.1 \u9ed8\u8ba4\u6743\u9650<\/h3>\n\n\u6587\u4ef6\u7c7b\u578b<\/span>\u9ed8\u8ba4\u6743\u9650<\/span>\u8bf4\u660e<\/span><\/tr>\n\n\n\n
              \u666e\u901a\u6587\u4ef6<\/span><\/td>\n0666（rw-rw-rw-）<\/span><\/td>\n\u9ed8\u8ba4\u4e0d\u53ef\u6267\u884c（\u5b89\u5168\u8003\u8651）<\/span><\/td>\n<\/tr>\n
              \u76ee\u5f55<\/span><\/td>\n0777（rwxrwxrwx）<\/span><\/td>\n\u9ed8\u8ba4\u5168\u5f00<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
              \n

              11.2 \u5b9e\u9645\u770b\u5230\u7684\u6743\u9650<\/h3>\n

              [qyh@VM-0-2-centos linux-sys-prog]$ touch cmd
              \n[qyh@VM-0-2-centos linux-sys-prog]$ mkdir code
              \n[qyh@VM-0-2-centos linux-sys-prog]$ ll
              \n-rw-rw-r– 1 qyh qyh 0 Sep 6 20:09 cmd # \u5b9e\u9645：664
              \ndrwxrwxr-x 2 qyh qyh 4096 Sep 6 20:08 code # \u5b9e\u9645：775 <\/p>\n

              \u5dee\u5f02\u539f\u56e0：umask（\u6743\u9650\u63a9\u7801）\u8fc7\u6ee4\u4e86\u90e8\u5206\u9ed8\u8ba4\u6743\u9650\u3002<\/span><\/p>\n

              \n

              11.3 umask \u673a\u5236<\/h3>\n

              \u529f\u80fd：\u67e5\u770b\u6216\u4fee\u6539\u6587\u4ef6\u6743\u9650\u63a9\u7801<\/p>\n

              \u516c\u5f0f：\u5b9e\u9645\u6743\u9650 = \u9ed8\u8ba4\u6743\u9650 & ~umask<\/span><\/p>\n

              \u26a0\ufe0f\u00a0\u6ce8\u610f：\u662f\u4f4d\u8fd0\u7b97（\u4e0e+\u53d6\u53cd），\u4e0d\u662f\u51cf\u6cd5\u3002<\/p>\n

              \u67e5\u770b umask：<\/p>\n

              [qyh@VM-0-2-centos linux-sys-prog]$ umask
              \n0002 # \u666e\u901a\u7528\u6237\u9ed8\u8ba4<\/p>\n

              [qyh@VM-0-2-centos linux-sys-prog]$ sudo umask
              \n0022 # root \u9ed8\u8ba4 <\/p>\n

              \u4fee\u6539 umask：<\/p>\n

              [qyh@VM-0-2-centos linux-sys-prog]$ umask 0001<\/p>\n

              \u8ba1\u7b97\u793a\u4f8b：<\/p>\n

              \u666e\u901a\u6587\u4ef6\u9ed8\u8ba4：0666 \u2192 110 110 110
              \numask： 0002 \u2192 000 000 010
              \n~umask： 7775 \u2192 111 111 101<\/p>\n

              \u5b9e\u9645\u6743\u9650： 0666 & 7775 = 0664 \u2192 110 110 100 \u2192 rw-rw-r– <\/p>\n

              \n

              11.4 umask \u7684\u4f5c\u7528<\/h3>\n\n\u7279\u6027<\/span>\u8bf4\u660e<\/span><\/tr>\n\n\n\n\n\n
              \u76ee\u7684<\/span><\/td>\n\u5c4f\u853d\u9ed8\u8ba4\u6743\u9650\u4e2d\u4e0d\u9700\u8981\u7684\u6743\u9650<\/span><\/td>\n<\/tr>\n
              \u7075\u6d3b\u6027<\/span><\/td>\n\u8ba9\u7cfb\u7edf\u6743\u9650\u53ef\u914d\u7f6e，\u6ee1\u8db3\u4e0d\u540c\u573a\u666f<\/span><\/td>\n<\/tr>\n
              \u4e34\u65f6\u6027<\/span><\/td>\n\u5185\u5b58\u7ea7\u8bbe\u7f6e，\u5173\u95ed\u7ec8\u7aef\u540e\u6062\u590d\u9ed8\u8ba4\u503c<\/span><\/td>\n<\/tr>\n
              \u6301\u4e45\u6027<\/span><\/td>\n\u7cfb\u7edf\u914d\u7f6e\u6587\u4ef6\u4e2d\u7684 umask \u5728\u767b\u5f55\u65f6\u52a0\u8f7d<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
              \n

              12. \u7c98\u6ede\u4f4d：\u89e3\u51b3\u76ee\u5f55\u5199\u6743\u9650\u7684\u9690\u60a3<\/h2>\n

              12.1 \u95ee\u9898\u73b0\u8c61<\/h3>\n

              \u76ee\u5f55\u5199\u6743\u9650\u7684\u526f\u4f5c\u7528：\u53ea\u8981\u7528\u6237\u5bf9\u76ee\u5f55\u6709\u5199\u6743\u9650，\u5c31\u53ef\u4ee5\u5220\u9664\u76ee\u5f55\u4e2d\u7684\u4efb\u4f55\u6587\u4ef6，\u65e0\u8bba\u662f\u5426\u62e5\u6709\u8be5\u6587\u4ef6\u7684\u5199\u6743\u9650\u3002<\/p>\n

              [qyh@VM-0-2-centos linux-sys-prog]$ ll
              \ntotal 4
              \n-rw-rw-r– 1 qyh qyh 0 Sep 6 20:09 cmd
              \ndrwxrwxr-x 2 qyh qyh 4096 Sep 6 20:08 code
              \n———- 1 root root 0 Sep 6 20:52 rt # \u2190 root \u521b\u5efa，\u6743\u9650\u5168\u5173<\/p>\n

              [qyh@VM-0-2-centos linux-sys-prog]$ whoami
              \nqyh<\/p>\n

              # qyh \u65e0\u6cd5\u8bfb\u5199 rt，\u5374\u80fd\u5220\u9664！
              \n[qyh@VM-0-2-centos linux-sys-prog]$ rm rt
              \nrm: remove write-protected regular empty file 'rt'? y
              \n[qyh@VM-0-2-centos linux-sys-prog]$ ll
              \ntotal 4
              \n-rw-rw-r– 1 qyh qyh 0 Sep 6 20:09 cmd
              \ndrwxrwxr-x 2 qyh qyh 4096 Sep 6 20:08 code <\/p>\n

              😰\u00a0\u4e0d\u5408\u7406\u4e4b\u5904：\u6211\u521b\u5efa\u7684\u6587\u4ef6，\u51ed\u4ec0\u4e48\u88ab\u4f60\u5220\u6389？<\/span><\/p>\n

              \n

              12.2 \u7c98\u6ede\u4f4d（Sticky Bit）<\/h3>\n

              \u89e3\u51b3\u65b9\u6848：Linux \u5f15\u5165\u7c98\u6ede\u4f4d，\u9650\u5236\u76ee\u5f55\u4e2d\u6587\u4ef6\u7684\u5220\u9664\u6743\u9650\u3002<\/p>\n

              \u8bbe\u7f6e\u65b9\u6cd5：chmod +t \u76ee\u5f55\u540d<\/p>\n

              \u6548\u679c：<\/p>\n

                \n
              • \u76ee\u5f55\u5185\u7684\u6587\u4ef6\u53ea\u80fd\u7531\u00a0\u6587\u4ef6\u62e5\u6709\u8005\u3001\u76ee\u5f55\u62e5\u6709\u8005\u00a0\u6216\u00a0root\u00a0\u5220\u9664<\/li>\n
              • \u5176\u4ed6\u7528\u6237\u5373\u4f7f\u6709\u76ee\u5f55\u5199\u6743\u9650，\u4e5f\u65e0\u6cd5\u5220\u9664\u4ed6\u4eba\u6587\u4ef6<\/li>\n<\/ul>\n

                \u5178\u578b\u5e94\u7528：\/tmp\u00a0\u76ee\u5f55<\/p>\n

                $ ll -d \/tmp
                \ndrwxrwxrwt 10 root root 4096 Sep 6 20:00 \/tmp
                \n \u2191
                \n \u7c98\u6ede\u4f4d\u6807\u5fd7（t） <\/p>\n

                📝\u00a0\u603b\u7ed3：<\/span>\u7c98\u6ede\u4f4d\u662f\u76ee\u5f55\u6743\u9650\u7684\u91cd\u8981\u8865\u5145，\u4fdd\u969c\u4e86\u591a\u7528\u6237\u5171\u4eab\u76ee\u5f55\u4e2d\u7684\u6587\u4ef6\u5b89\u5168\u3002<\/span>\u53ea\u9700\u8981\u7ed9\u9700\u8981\u5171\u4eab\u7684\u76ee\u5f55\u6dfb\u52a0\u7c98\u6ede\u4f4d<\/span><\/p>\n<\/p>\n

                \n

                13. \u591a\u7528\u6237\u6587\u4ef6\u7ea7\u534f\u4f5c\u5b9e\u8df5<\/h2>\n

                13.1 \u534f\u4f5c\u573a\u666f\u7684\u9700\u6c42<\/h3>\n

                \u524d\u9762\u6211\u4eec\u8bb2\u8fc7，Linux \u901a\u8fc7\u5bb6\u76ee\u5f55\u7684\u6743\u9650\u8bbe\u8ba1（drwx——）\u5b9e\u73b0\u4e86\u7528\u6237\u4e4b\u95f4\u7684\u9694\u79bb\u3002\u4f46\u8fd9\u5e26\u6765\u4e00\u4e2a\u95ee\u9898：<\/p>\n

                \u5f53\u591a\u4e2a\u7528\u6237\u9700\u8981\u534f\u4f5c\u5904\u7406\u540c\u4e00\u6587\u4ef6\u65f6，\u6587\u4ef6\u8be5\u653e\u5728\u54ea\u91cc？<\/p>\n

                \u9519\u8bef\u65b9\u6848：\u653e\u5728\u67d0\u4e2a\u7528\u6237\u7684\u5bb6\u76ee\u5f55\u4e0b<\/p>\n

                  \n
                • \u7528\u6237 A \u65e0\u6cd5\u8fdb\u5165\u7528\u6237 B \u7684\u5bb6\u76ee\u5f55<\/li>\n
                • \u5373\u4f7f\u901a\u8fc7\u00a0sudo\u00a0\u8fdb\u5165，\u4e5f\u7834\u574f\u4e86\u9694\u79bb\u673a\u5236<\/li>\n<\/ul>\n

                  \u6b63\u786e\u65b9\u6848：\u4f7f\u7528\u516c\u5171\u76ee\u5f55\u00a0+\u00a0\u7c98\u6ede\u4f4d\u4fdd\u969c\u5b89\u5168<\/span><\/p>\n

                  \n

                  13.2 \/tmp \u76ee\u5f55：\u7cfb\u7edf\u7ea7\u7684\u534f\u4f5c\u7a7a\u95f4<\/h3>\n

                  \/tmp\u00a0\u662f Linux \u7cfb\u7edf\u7684\u4e34\u65f6\u6587\u4ef6\u76ee\u5f55，\u5929\u751f\u5177\u5907\u7c98\u6ede\u4f4d：<\/p>\n

                  $ ll -d \/tmp
                  \ndrwxrwxrwt 10 root root 4096 Sep 6 20:00 \/tmp
                  \n \u2191
                  \n \u7c98\u6ede\u4f4d\u6807\u5fd7（t） <\/p>\n

                  \u7279\u6027：<\/p>\n\n\u7279\u6027<\/span>\u8bf4\u660e<\/span><\/tr>\n\n\n\n\n
                  \u5f00\u653e\u6027<\/span><\/td>\n\u6240\u6709\u7528\u6237\u5747\u53ef\u8fdb\u5165\u3001\u521b\u5efa\u6587\u4ef6<\/span><\/td>\n<\/tr>\n
                  \u5b89\u5168\u6027<\/span><\/td>\n\u7c98\u6ede\u4f4d\u4fdd\u969c，\u53ea\u80fd\u5220\u9664\u81ea\u5df1\u7684\u6587\u4ef6<\/span><\/td>\n<\/tr>\n
                  \u4e34\u65f6\u6027<\/span><\/td>\n\u7cfb\u7edf\u91cd\u542f\u540e\u901a\u5e38\u6e05\u7a7a（\u89c6\u914d\u7f6e\u800c\u5b9a）<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                  \u534f\u4f5c\u6d41\u7a0b：<\/p>\n

                  # \u7528\u6237 A \u521b\u5efa\u5171\u4eab\u6587\u4ef6
                  \n[userA@VM-0-2-centos ~]$ cd \/tmp
                  \n[userA@VM-0-2-centos tmp]$ echo "\u5171\u4eab\u6570\u636e" > shared_data.txt
                  \n[userA@VM-0-2-centos tmp]$ chmod 664 shared_data.txt<\/p>\n

                  # \u7528\u6237 B \u8bfb\u53d6\u5e76\u7f16\u8f91
                  \n[userB@VM-0-2-centos ~]$ cd \/tmp
                  \n[userB@VM-0-2-centos tmp]$ cat shared_data.txt
                  \n\u5171\u4eab\u6570\u636e
                  \n[userB@VM-0-2-centos tmp]$ echo "\u8865\u5145\u5185\u5bb9" >> shared_data.txt<\/p>\n

                  # \u7528\u6237 C \u65e0\u6cd5\u5220\u9664（\u5373\u4f7f\u76ee\u5f55\u53ef\u5199）
                  \n[userC@VM-0-2-centos tmp]$ rm shared_data.txt
                  \nrm: cannot remove 'shared_data.txt': Operation not permitted # \u2190 \u7c98\u6ede\u4f4d\u751f\u6548 <\/p>\n

                  \n

                  13.3 \u81ea\u5b9a\u4e49\u7c98\u6ede\u4f4d\u76ee\u5f55<\/h3>\n

                  \u9664\u4e86\u00a0\/tmp，\u4e5f\u53ef\u4ee5\u81ea\u884c\u521b\u5efa\u5e26\u7c98\u6ede\u4f4d\u7684\u534f\u4f5c\u76ee\u5f55：<\/p>\n

                  # \u7ba1\u7406\u5458\u521b\u5efa\u5171\u4eab\u76ee\u5f55
                  \n[root@VM-0-2-centos ~]# mkdir \/shared
                  \n[root@VM-0-2-centos ~]# chmod 1777 \/shared # 1 \u8868\u793a\u8bbe\u7f6e\u7c98\u6ede\u4f4d
                  \n[root@VM-0-2-centos ~]# ll -d \/shared
                  \ndrwxrwxrwt 2 root root 4096 Sep 6 21:00 \/shared<\/p>\n

                  # \u6216\u5206\u6b65\u8bbe\u7f6e
                  \n[root@VM-0-2-centos ~]# chmod +t \/shared <\/p>\n

                  📝\u00a0\u5b9e\u9645\u5e94\u7528：\u4f01\u4e1a\u5185\u7f51\u4e2d，\u5e38\u7528\u4e8e\u8bbe\u7f6e\u90e8\u95e8\u7ea7\u5171\u4eab\u76ee\u5f55，\u5982\u00a0\/shared\/department_a\/\u3002<\/p>\n

                  \n

                  13.4 \u65b9\u6848\u5bf9\u6bd4<\/h3>\n\n\u65b9\u6848<\/span>\u9002\u7528\u573a\u666f<\/span>\u4f18\u70b9<\/span>\u7f3a\u70b9<\/span><\/tr>\n\n\n\n\n
                  \/tmp\u00a0\u76ee\u5f55<\/span><\/td>\n\u4e34\u65f6\u534f\u4f5c\u3001\u77ed\u671f\u4efb\u52a1<\/span><\/td>\n\u7cfb\u7edf\u81ea\u5e26，\u65e0\u9700\u914d\u7f6e<\/span><\/td>\n\u6587\u4ef6\u53ef\u80fd\u968f\u91cd\u542f\u6e05\u9664<\/span><\/td>\n<\/tr>\n
                  \u81ea\u5b9a\u4e49\u7c98\u6ede\u4f4d\u76ee\u5f55<\/span><\/td>\n\u957f\u671f\u534f\u4f5c\u3001\u90e8\u95e8\u5171\u4eab<\/span><\/td>\n\u6301\u4e45\u5316\u5b58\u50a8，\u53ef\u63a7\u6027\u5f3a<\/span><\/td>\n\u9700\u8981\u7ba1\u7406\u5458\u914d\u7f6e<\/span><\/td>\n<\/tr>\n
                  \u7248\u672c\u63a7\u5236\u7cfb\u7edf（Git\/SVN）<\/span><\/td>\n\u4ee3\u7801\u534f\u4f5c\u3001\u6587\u6863\u7ba1\u7406<\/span><\/td>\n\u5b8c\u6574\u5386\u53f2\u8ffd\u6eaf，\u51b2\u7a81\u89e3\u51b3<\/span><\/td>\n\u5b66\u4e60\u6210\u672c\u8f83\u9ad8<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  \n

                  13.5 \u6700\u4f73\u5b9e\u8df5\u5efa\u8bae<\/h3>\n\n\u573a\u666f\u63a8\u8350\u65b9\u6848<\/tr>\n\n\n\n\n\n
                  \u4e34\u65f6\u6587\u4ef6\u4ea4\u6362<\/td>\n\/tmp\u00a0\u76ee\u5f55<\/td>\n<\/tr>\n
                  \u5c0f\u578b\u56e2\u961f\u957f\u671f\u534f\u4f5c<\/td>\n\u81ea\u5b9a\u4e49\u7c98\u6ede\u4f4d\u76ee\u5f55 + \u5b9a\u671f\u5907\u4efd<\/td>\n<\/tr>\n
                  \u4ee3\u7801\/\u6587\u6863\u534f\u4f5c<\/td>\nGit \u7b49\u7248\u672c\u63a7\u5236\u7cfb\u7edf<\/td>\n<\/tr>\n
                  \u8de8\u90e8\u95e8\u5927\u6587\u4ef6\u5171\u4eab<\/td>\n\u4f01\u4e1a\u7f51\u76d8 + \u6743\u9650\u5206\u7ec4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                  \"\"<\/p>\n

                  \"\"<\/p>\n<\/p>\n

                  \n

                  \u672c\u8282\u547d\u4ee4\u901f\u67e5\u8868<\/h2>\n\n\u547d\u4ee4<\/span>\u529f\u80fd<\/span>\u793a\u4f8b<\/span><\/tr>\n\n\n\n\n\n\n\n\n
                  su<\/span><\/td>\n\u5207\u6362\u7528\u6237<\/span><\/td>\nsu qyh\u3001su –<\/span><\/td>\n<\/tr>\n
                  sudo<\/span><\/td>\n\u4e34\u65f6\u63d0\u6743<\/span><\/td>\nsudo touch file<\/span><\/td>\n<\/tr>\n
                  chmod<\/span><\/td>\n\u4fee\u6539\u6587\u4ef6\u6743\u9650<\/span><\/td>\nchmod 755 file\u3001chmod u+x file<\/span><\/td>\n<\/tr>\n
                  chown<\/span><\/td>\n\u4fee\u6539\u6587\u4ef6\u62e5\u6709\u8005<\/span><\/td>\nchown user file\u3001chown user:group file<\/span><\/td>\n<\/tr>\n
                  chgrp<\/span><\/td>\n\u4fee\u6539\u6587\u4ef6\u6240\u5c5e\u7ec4<\/span><\/td>\nchgrp group file<\/span><\/td>\n<\/tr>\n
                  umask<\/span><\/td>\n\u67e5\u770b\/\u8bbe\u7f6e\u6743\u9650\u63a9\u7801<\/span><\/td>\numask\u3001umask 0022<\/span><\/td>\n<\/tr>\n
                  chmod +t<\/span><\/td>\n\u8bbe\u7f6e\u7c98\u6ede\u4f4d<\/span><\/td>\nchmod +t \/shared_dir<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  \n

                  \u6743\u9650\u4f53\u7cfb\u5b8c\u6574\u603b\u7ed3<\/h2>\n\n\u7ef4\u5ea6<\/span>\u6838\u5fc3\u5185\u5bb9<\/span><\/tr>\n\n\n\n\n\n\n\n\n\n\n\n\n
                  \u7528\u6237\u5207\u6362<\/span><\/td>\nsu\u3001su -\u3001sudo\u00a0\u63d0\u6743\u673a\u5236<\/span><\/td>\n<\/tr>\n
                  \u6743\u9650\u672c\u8d28<\/span><\/td>\n\u6743\u9650 = \u89d2\u8272 + \u76ee\u6807\u5c5e\u6027<\/span><\/td>\n<\/tr>\n
                  \u4e09\u79cd\u89d2\u8272<\/span><\/td>\n\u62e5\u6709\u8005\u3001\u6240\u5c5e\u7ec4\u3001Other<\/span><\/td>\n<\/tr>\n
                  \u4e09\u79cd\u5c5e\u6027<\/span><\/td>\n\u8bfb(r)\u3001\u5199(w)\u3001\u6267\u884c(x)<\/span><\/td>\n<\/tr>\n
                  \u4fee\u6539\u6743\u9650<\/span><\/td>\nchmod（\u7b26\u53f7\u6a21\u5f0f + \u516b\u8fdb\u5236\u6a21\u5f0f）<\/span><\/td>\n<\/tr>\n
                  \u4fee\u6539\u5f52\u5c5e<\/span><\/td>\nchown\u3001chgrp<\/span><\/td>\n<\/tr>\n
                  \u76ee\u5f55\u6743\u9650<\/span><\/td>\nr（\u67e5\u770b）\u3001w（\u521b\u5efa\u5220\u9664）\u3001x（\u8fdb\u5165）<\/span><\/td>\n<\/tr>\n
                  \u7528\u6237\u9694\u79bb<\/span><\/td>\n\u5bb6\u76ee\u5f55\u00a0drwx——\u00a0\u6743\u9650\u8bbe\u8ba1<\/span><\/td>\n<\/tr>\n
                  \u9ed8\u8ba4\u6743\u9650<\/span><\/td>\numask\u00a0\u63a9\u7801\u673a\u5236<\/span><\/td>\n<\/tr>\n
                  \u7c98\u6ede\u4f4d<\/span><\/td>\n+t\u00a0\u9632\u6b62\u8bef\u5220\u4ed6\u4eba\u6587\u4ef6<\/span><\/td>\n<\/tr>\n
                  \u591a\u7528\u6237\u534f\u4f5c<\/span><\/td>\n\/tmp\u00a0\u6216\u81ea\u5b9a\u4e49\u7c98\u6ede\u4f4d\u76ee\u5f55<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
                  \n

                  \u7ed3\u8bed：<\/h2>\n

                  \u81f3\u6b64，\u6211\u4eec\u5df2\u7ecf\u5b8c\u6574\u638c\u63e1\u4e86 Linux \u6743\u9650\u4f53\u7cfb\u7684\u5168\u90e8\u6838\u5fc3\u77e5\u8bc6\u3002<\/p>\n

                  \u4ece\u6700\u521d\u533a\u5206 root \u4e0e\u666e\u901a\u7528\u6237，\u5230\u7406\u89e3\u00a0su\u00a0\u4e0e\u00a0sudo\u00a0\u7684\u63d0\u6743\u673a\u5236；\u4ece\u5efa\u7acb"\u6743\u9650 = \u89d2\u8272 + \u76ee\u6807\u5c5e\u6027"\u7684\u7406\u8bba\u6846\u67b6，\u5230\u719f\u7ec3\u8fd0\u7528\u00a0chmod\u3001chown\u00a0\u4fee\u6539\u6743\u9650\u4e0e\u5f52\u5c5e；\u4ece\u89e3\u8bfb\u00a0ll\u00a0\u547d\u4ee4\u7684 10 \u4f4d\u6743\u9650\u5b57\u7b26\u4e32，\u5230\u638c\u63e1\u00a0umask\u00a0\u9ed8\u8ba4\u6743\u9650\u548c\u7c98\u6ede\u4f4d\u7b49\u8fdb\u9636\u673a\u5236；\u6700\u7ec8\u843d\u5b9e\u5230\u591a\u7528\u6237\u6587\u4ef6\u7ea7\u534f\u4f5c\u7684\u6700\u4f73\u5b9e\u8df5\u2014\u2014\u4f60\u5df2\u7ecf\u5177\u5907\u4e86\u72ec\u7acb\u7ba1\u7406 Linux \u7cfb\u7edf\u6743\u9650\u7684\u80fd\u529b\u3002<\/p>\n

                  \u6838\u5fc3\u8ba4\u77e5\u56de\u987e：<\/p>\n\n\u5c42\u6b21\u8981\u70b9<\/tr>\n\n\n\n\n
                  \u5fae\u89c2<\/td>\n\u6bcf\u4e2a\u6587\u4ef6\u7684\u00a0rwx\u00a0\u6743\u9650\u4f4d，\u7cbe\u786e\u63a7\u5236\u8bfb\u3001\u5199\u3001\u6267\u884c<\/td>\n<\/tr>\n
                  \u4e2d\u89c2<\/td>\n\u62e5\u6709\u8005\u3001\u6240\u5c5e\u7ec4\u3001Other \u7684\u89d2\u8272\u5212\u5206，\u5b9e\u73b0\u7cbe\u7ec6\u5316\u7ba1\u63a7<\/td>\n<\/tr>\n
                  \u5b8f\u89c2<\/td>\n\u5bb6\u76ee\u5f55\u9694\u79bb\u3001\u516c\u5171\u76ee\u5f55\u534f\u4f5c\u3001\u7c98\u6ede\u4f4d\u4fdd\u62a4，\u6784\u5efa\u5b89\u5168\u7684\u591a\u7528\u6237\u73af\u5883<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                  \u5b9e\u8df5\u5efa\u8bae：<\/p>\n\n\u573a\u666f\u64cd\u4f5c\u5efa\u8bae<\/tr>\n\n\n\n\n\n
                  \u4e2a\u4eba\u5b66\u4e60<\/td>\n\u521b\u5efa\u591a\u4e2a\u666e\u901a\u7528\u6237，\u6a21\u62df\u6743\u9650\u51b2\u7a81\u4e0e\u89e3\u51b3<\/td>\n<\/tr>\n
                  \u56e2\u961f\u534f\u4f5c<\/td>\n\u4f7f\u7528\u81ea\u5b9a\u4e49\u7c98\u6ede\u4f4d\u76ee\u5f55，\u914d\u5408\u5b9a\u671f\u5907\u4efd<\/td>\n<\/tr>\n
                  \u4ee3\u7801\u5f00\u53d1<\/td>\n\u4f18\u5148\u4f7f\u7528 Git \u7b49\u7248\u672c\u63a7\u5236\u7cfb\u7edf，\u6743\u9650\u7ba1\u7406\u4e3a\u8f85<\/td>\n<\/tr>\n
                  \u7cfb\u7edf\u8fd0\u7ef4<\/td>\n\u5b9a\u671f\u68c0\u67e5\u00a0\/tmp\u00a0\u7b49\u516c\u5171\u76ee\u5f55，\u6e05\u7406\u8fc7\u671f\u6587\u4ef6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

                  \u6743\u9650\u7ba1\u7406\u662f Linux \u7cfb\u7edf\u5b89\u5168\u7684\u57fa\u77f3，\u4e5f\u662f\u8fd0\u7ef4\u5de5\u7a0b\u5e08\u7684\u5fc5\u5907\u6280\u80fd\u3002\u7406\u89e3\u6743\u9650\u80cc\u540e\u7684\u8bbe\u8ba1\u54f2\u5b66\u2014\u2014\u6700\u5c0f\u6743\u9650\u539f\u5219\u3001\u89d2\u8272\u5206\u79bb\u3001\u9632\u5fa1\u6027\u9ed8\u8ba4\u2014\u2014\u5c06\u5e2e\u52a9\u4f60\u6784\u5efa\u66f4\u5065\u58ee\u3001\u66f4\u5b89\u5168\u7684\u7cfb\u7edf\u73af\u5883\u3002<\/p>\n

                  \u5e0c\u671b\u4ee5\u4e0a\u5185\u5bb9\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9，\u611f\u8c22\u89c2\u770b，\u82e5\u89c9\u5f97\u5199\u7684\u8fd8\u53ef\u4ee5，\u53ef\u4ee5\u5206\u4eab\u7ed9\u670b\u53cb\u4e00\u8d77\u6765\u770b\u54e6，\u6bd5\u7adf\u4e00\u8d77\u8fdb\u6b65\u66f4\u6709\u52a8\u529b\u561b，\u5f53\u7136\u80fd\u5173\u6ce8\u4e00\u4e0b\u5c31\u66f4\u597d\u5566\u3002<\/p>\n

                  \"\"<\/p>\n","protected":false},"excerpt":{"rendered":"

                  \u76ee\u5f55
                  \n\u5f15\u8a00：
                  \n1. Linux \u7528\u6237\u4f53\u7cfb
                  \n1.1 \u4e24\u79cd\u7528\u6237\u7c7b\u578b
                  \n1.2 \u7528\u6237\u5207\u6362：su \u547d\u4ee4
                  \n2. \u6743\u9650\u5bf9\u6bd4\u6f14\u793a
                  \n2.1 \u573a\u666f：\u5b89\u88c5\u53ef\u6267\u884c\u7a0b\u5e8f
                  \n2.2 \u666e\u901a\u7528\u6237\u5c1d\u8bd5（\u5931\u8d25）
                  \n2.3 \u8d85\u7ea7\u7528\u6237\u6267\u884c（\u6210\u529f）
                  \n3. \u4e34\u65f6\u63d0\u6743：sudo \u547d\u4ee4
                  \n3.1 \u4e3a\u4ec0\u4e48\u9700\u8981 sudo？
                  \n3.2 sudo \u4f7f\u7528\u524d\u63d0
                  \n3.3 \u914d\u7f6e sudo \u6743\u9650
                  \n3<\/p>\n","protected":false},"author":2,"featured_media":101656,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[11614,58,43,5293,44],"topic":[],"class_list":["post-101664","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-11614","tag-linux","tag-43","tag-5293","tag-44"],"yoast_head":"\nLinux\u6743\u9650\u7ba1\u7406\u4e07\u5b57\u8be6\u89e3\uff5c\u7528\u6237\u4f53\u7cfb\u3001\u89d2\u8272\u5c5e\u6027\u4e0e\u591a\u7528\u6237\u534f\u4f5c\uff0c\u7ed3\u5408\u5e95\u5c42\u539f\u7406\u5256\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/101664.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux\u6743\u9650\u7ba1\u7406\u4e07\u5b57\u8be6\u89e3\uff5c\u7528\u6237\u4f53\u7cfb\u3001\u89d2\u8272\u5c5e\u6027\u4e0e\u591a\u7528\u6237\u534f\u4f5c\uff0c\u7ed3\u5408\u5e95\u5c42\u539f\u7406\u5256\u6790 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u76ee\u5f55 \u5f15\u8a00： 1. 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