{"id":83509,"date":"2026-07-26T00:33:29","date_gmt":"2026-07-25T16:33:29","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/83509.html"},"modified":"2026-07-26T00:33:29","modified_gmt":"2026-07-25T16:33:29","slug":"%e3%80%90linux%e3%80%91-%e6%9d%83%e9%99%90%e7%ae%a1%e7%90%86%ef%bc%88%e7%9f%a5%e8%af%86%e6%a2%b3%e7%90%86-%e9%9d%a2%e8%af%95%e9%a2%98%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/83509.html","title":{"rendered":"\u3010Linux\u3011 \u6743\u9650\u7ba1\u7406\uff08\u77e5\u8bc6\u68b3\u7406 + \u9762\u8bd5\u9898\uff09"},"content":{"rendered":"

\"\"<\/p>\n

\n

\u00a0 Linux \u6743\u9650\u7ba1\u7406\u5b8c\u6574\u8be6\u89e3\u00a0\u00a0<\/span><\/span><\/h2>\n

\u4e00\u3001Linux \u6743\u9650\u7684\u6982\u5ff5<\/span><\/h3>\n

1.1 \u6743\u9650\u8bde\u751f\u80cc\u666f<\/span><\/h4>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Linux \u662f\u591a\u7528\u6237\u5206\u65f6\u64cd\u4f5c\u7cfb\u7edf，\u5141\u8bb8\u591a\u4e2a\u7528\u6237\u540c\u65f6\u767b\u5f55\u3001\u64cd\u4f5c\u7cfb\u7edf\u8d44\u6e90\u3002\u4e3a\u4e86\u9632\u6b62\u7528\u6237\u968f\u610f\u4fee\u6539\u3001\u5220\u9664\u4ed6\u4eba\u6587\u4ef6，\u9694\u79bb\u8d44\u6e90\u3001\u4fdd\u969c\u7cfb\u7edf\u5b89\u5168，\u5185\u6838\u5f15\u5165\u6743\u9650\u8bbf\u95ee\u63a7\u5236\u673a\u5236\u3002<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Windows \u91c7\u7528 ACL \u8bbf\u95ee\u63a7\u5236\u5217\u8868；<\/span><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Linux \u57fa\u7840\u6a21\u578b\u91c7\u7528\u7ecf\u5178UGO（User\/Group\/Other）\u6743\u9650\u6a21\u578b\u3002<\/span><\/p>\n

1.2 UGO \u4e09\u7c7b\u8eab\u4efd<\/span><\/h4>\n

\u4f7f\u7528 ls -l \u67e5\u770b\u6587\u4ef6\u65f6，\u6bcf\u4e00\u4e2a\u6587\u4ef6 \/ \u76ee\u5f55\u90fd\u4f1a\u7ed1\u5b9a\u4e09\u7c7b\u8bbf\u95ee\u8005\u8eab\u4efd：<\/span><\/p>\n

-rw-r–r– 1 ubuntu ubuntu 120 Jul 22 10:00 test.txt<\/p>\n

  • u (user，\u5c5e\u4e3b \/ \u6240\u6709\u8005)：\u6587\u4ef6\u521b\u5efa\u8005\u3001\u62e5\u6709\u8005，\u6743\u9650\u4f18\u5148\u7ea7\u6700\u9ad8；<\/span><\/li>\n
  • g (group，\u5c5e\u7ec4)：\u5f52\u5c5e\u7528\u6237\u7ec4\u5185\u7684\u6240\u6709\u6210\u5458；<\/span><\/li>\n
  • o (other，\u5176\u4ed6\u7528\u6237)：\u65e2\u4e0d\u662f\u5c5e\u4e3b\u3001\u4e5f\u4e0d\u5728\u5c5e\u7ec4\u5185\u7684\u6240\u6709\u4eba；<\/span><\/li>\n
  • a(all)：\u7b80\u5199，\u4ee3\u8868 u+g+o \u5168\u90e8\u4e09\u7c7b\u4eba\u3002<\/span><\/li>\n

    1.3 \u4e09\u79cd\u57fa\u7840\u6743\u9650 r w x<\/span><\/h4>\n\n\u6743\u9650\u5b57\u7b26<\/span>\u542b\u4e49<\/span>\u516b\u8fdb\u5236\u503c<\/span><\/tr>\n\n\n\n\n
    r(read)<\/span><\/td>\n\u8bfb\u6743\u9650<\/span><\/td>\n4<\/span><\/td>\n<\/tr>\n
    w(write)<\/span><\/td>\n\u5199\u6743\u9650<\/span><\/td>\n2<\/span><\/td>\n<\/tr>\n
    x(execute)<\/span><\/td>\n\u6267\u884c\u6743\u9650<\/span><\/td>\n1<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u26a0\ufe0f \u91cd\u4e2d\u4e4b\u91cd：<\/span>rwx \u5bf9\u3010\u6587\u4ef6\u3011\u548c\u3010\u76ee\u5f55\u3011\u542b\u4e49\u5b8c\u5168\u4e0d\u540c！\u5f88\u591a\u521d\u5b66\u8005\u8e29\u5751\u5c31\u5728\u8fd9\u91cc，\u540e\u6587\u5355\u72ec\u8bb2\u89e3\u76ee\u5f55\u6743\u9650\u3002<\/span><\/p>\n

    1.4\u00a0\u2f42\u4ef6\u7c7b\u578b\u548c\u8bbf\u95ee\u6743\u9650（\u4e8b\u7269\u5c5e\u6027） <\/span><\/h4>\n
  • d：\u2f42\u4ef6\u5939 <\/span><\/li>\n
  • -：\u666e\u901a\u2f42\u4ef6 <\/span><\/li>\n
  • l：\u8f6f\u94fe\u63a5（\u7c7b\u4f3cWindows\u7684\u5feb\u6377\u2f45\u5f0f） <\/span><\/li>\n
  • b：\u5757\u8bbe\u5907\u2f42\u4ef6（\u4f8b\u5982\u786c\u76d8\u3001\u5149\u9a71\u7b49） <\/span><\/li>\n
  • p：\u7ba1\u9053\u2f42\u4ef6 <\/span><\/li>\n
  • c：\u5b57\u7b26\u8bbe\u5907\u2f42\u4ef6<\/span><\/li>\n
    \n

    \u4e8c\u3001\u6587\u4ef6\u6743\u9650\u503c\u7684\u4e24\u79cd\u8868\u793a\u65b9\u6cd5<\/span><\/h3>\n

    \u6267\u884c ls -l \u770b\u5230 -rwxr-xr–，\u6743\u9650\u5206\u4e3a\u5b57\u7b26\u8868\u793a\u6cd5\u3001\u6570\u5b57（\u516b\u8fdb\u5236）\u8868\u793a\u6cd5\u3002<\/span><\/p>\n

    2.1 \u5b57\u7b26\u7b26\u53f7\u8868\u793a\u6cd5<\/span><\/h4>\n

    \u6743\u9650\u4e32\u4e00\u5171 9 \u4f4d，\u5206\u4e3a\u4e09\u6bb5，\u6bcf 3 \u4f4d\u5bf9\u5e94\u4e00\u7c7b\u8eab\u4efd u g o：<\/span> – rwx r-x r–<\/span><\/p>\n

      \n
    • \u7b2c 1 \u6bb5（1~3 \u4f4d）：\u5c5e\u4e3b u \u6743\u9650 rwx<\/span><\/li>\n
    • \u7b2c 2 \u6bb5（4~6 \u4f4d）：\u5c5e\u7ec4 g \u6743\u9650 r-x<\/span><\/li>\n
    • \u7b2c 3 \u6bb5（7~9 \u4f4d）：\u5176\u4ed6\u4eba o \u6743\u9650 r– – \u4ee3\u8868\u6ca1\u6709\u8be5\u6743\u9650<\/span><\/li>\n<\/ul>\n

      2.2 \u516b\u8fdb\u5236\u6570\u5b57\u8868\u793a\u6cd5（\u6700\u5e38\u7528）<\/span><\/h4>\n

      \u89c4\u5219：r=4，w=2，x=1，\u540c\u4e00\u6bb5\u5185\u6743\u9650\u6570\u503c\u76f8\u52a0\u3002 \u793a\u4f8b\u62c6\u89e3：rwxr-xr–<\/span><\/p>\n

        \n
      • u：rwx = 4+2+1 = 7<\/span><\/li>\n
      • g：r-x = 4+0+1 = 5<\/span><\/li>\n
      • o：r– = 4+0+0 = 4 \u6700\u7ec8\u6743\u9650\u6570\u5b57：754<\/span><\/li>\n<\/ul>\n

        \u5e38\u89c1\u6807\u51c6\u6743\u9650（\u751f\u4ea7\u901a\u7528\u89c4\u8303）<\/span><\/p>\n\n\u6743\u9650\u6570\u5b57<\/span>\u5b57\u7b26\u6743\u9650<\/span>\u4f7f\u7528\u573a\u666f<\/span><\/tr>\n\n\n\n\n\n\n
        644<\/span><\/td>\nrw-r–r–<\/span><\/td>\n\u666e\u901a\u6587\u672c\u6587\u4ef6\u3001\u914d\u7f6e\u6587\u4ef6（\u9ed8\u8ba4\u6587\u4ef6\u6743\u9650）<\/span><\/td>\n<\/tr>\n
        755<\/span><\/td>\nrwxr-xr-x<\/span><\/td>\n\u53ef\u6267\u884c\u7a0b\u5e8f\u3001\u666e\u901a\u76ee\u5f55（\u9ed8\u8ba4\u76ee\u5f55\u6743\u9650）<\/span><\/td>\n<\/tr>\n
        600<\/span><\/td>\nrw——-<\/span><\/td>\n\u5bc6\u94a5\u3001\u9690\u79c1\u914d\u7f6e\u6587\u4ef6（\u4ec5\u5c5e\u4e3b\u8bfb\u5199）<\/span><\/td>\n<\/tr>\n
        700<\/span><\/td>\nrwx——<\/span><\/td>\n\u79c1\u4eba\u76ee\u5f55，\u7981\u6b62\u4efb\u4f55\u4eba\u8bbf\u95ee<\/span><\/td>\n<\/tr>\n
        777<\/span><\/td>\nrwxrwxrwx<\/span><\/td>\n\u4e0d\u63a8\u8350！\u6240\u6709\u4eba\u5b8c\u5168\u63a7\u5236，\u6781\u5ea6\u4e0d\u5b89\u5168<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

        \u8865\u5145：\u6570\u5b57\u6743\u9650\u672c\u8d28\u662f\u4e8c\u8fdb\u5236\u63a9\u7801 rwx = 111 (2) =7；rw-=110=6；r–=100=4<\/span><\/p>\n

        \n

        \u4e09\u3001\u6587\u4ef6\u8bbf\u95ee\u6743\u9650\u7684\u76f8\u5173\u8bbe\u7f6e\u65b9\u6cd5<\/span><\/h3>\n

        \u6838\u5fc3\u4e24\u6761\u547d\u4ee4：<\/span>chmod（\u4fee\u6539\u6743\u9650）\u3001chown（\u4fee\u6539\u5c5e\u4e3b\u3001\u5c5e\u7ec4）<\/span><\/p>\n<\/p>\n

        3.1 chmod：\u4fee\u6539\u6587\u4ef6 \/ \u76ee\u5f55\u6743\u9650\u4e24\u79cd\u8bed\u6cd5：\u7b26\u53f7\u6a21\u5f0f\u3001\u6570\u5b57\u6a21\u5f0f<\/span><\/h4>\n
        \u2460 \u7b26\u53f7\u6a21\u5f0f（\u76f4\u89c2，\u589e\u91cf\u4fee\u6539）<\/span><\/h5>\n

        chmod [\u8eab\u4efd][\u64cd\u4f5c][\u6743\u9650] \u6587\u4ef6
        \n\u8eab\u4efd：u\/g\/o\/a
        \n\u64cd\u4f5c：+ \u6dfb\u52a0\u6743\u9650 – \u79fb\u9664\u6743\u9650 = \u76f4\u63a5\u8bbe\u7f6e\u6743\u9650
        \n\u6743\u9650：r\/w\/x<\/p>\n

        chmod u+x test.sh # \u7ed9\u5c5e\u4e3b\u589e\u52a0\u6267\u884c\u6743\u9650
        \nchmod g-w test.txt # \u5220\u9664\u5c5e\u7ec4\u5199\u6743\u9650
        \nchmod o=r test.txt # \u5f3a\u5236\u8bbe\u7f6e\u5176\u4ed6\u4eba\u53ea\u6709\u8bfb\u6743\u9650
        \nchmod a+w test.txt # \u6240\u6709\u4eba\u6dfb\u52a0\u5199\u6743\u9650<\/p>\n

        \u2461 \u6570\u5b57\u6a21\u5f0f（\u7b80\u6d01，\u76f4\u63a5\u8986\u76d6\u6240\u6709\u6743\u9650）<\/span><\/h5>\n

        chmod 644 test.txt
        \nchmod 755 test_dir<\/p>\n

        \u9012\u5f52\u4fee\u6539\u76ee\u5f55\u6743\u9650 -R<\/span><\/h5>\n

        \u26a0\ufe0f\u614e\u7528 -R，\u4f1a\u9012\u5f52\u4fee\u6539\u76ee\u5f55\u5185\u90e8\u6240\u6709\u6587\u4ef6\u3001\u5b50\u76ee\u5f55\u6743\u9650！<\/span><\/p>\n

        chmod -R 755 \/home\/work<\/p>\n

        3.2 chown：\u4fee\u6539\u6587\u4ef6\u3010\u5c5e\u4e3b\u3001\u5c5e\u7ec4\u3011<\/span><\/h4>\n

        \u666e\u901a\u7528\u6237\u53ea\u80fd\u4fee\u6539\u81ea\u5df1\u6587\u4ef6\u7684\u5c5e\u7ec4；\u4fee\u6539\u5c5e\u4e3b\u5fc5\u987b root \u6743\u9650 \u8bed\u6cd5：<\/span><\/p>\n

        # \u4fee\u6539\u6240\u6709\u8005
        \nchown \u7528\u6237\u540d \u6587\u4ef6\u540d
        \n# \u4fee\u6539\u6240\u6709\u8005+\u6240\u5c5e\u7ec4
        \nchown \u7528\u6237:\u7ec4 \u6587\u4ef6\u540d
        \n# \u4ec5\u4fee\u6539\u5c5e\u7ec4
        \nchown :\u7ec4\u540d \u6587\u4ef6\u540d<\/p>\n

        chown ubuntu test.txt
        \nchown ubuntu:ubuntu test.txt
        \n# \u9012\u5f52\u4fee\u6539\u76ee\u5f55\u5f52\u5c5e
        \nchown -R ubuntu:ubuntu \/home\/work<\/p>\n

        3.3 chgrp：\u4ec5\u4fee\u6539\u5c5e\u7ec4（\u8bed\u4e49\u6e05\u6670，\u9002\u5408\u53ea\u6539\u7ec4\u7684\u573a\u666f）<\/span><\/h4>\n

        chgrp [\u9009\u9879] \u7ec4\u540d \u6587\u4ef6\u540d\/\u76ee\u5f55<\/p>\n

        3.4 umask：\u65b0\u5efa\u6587\u4ef6 \/ \u76ee\u5f55\u65f6，\u7528\u6765 \u201c\u5c4f\u853d\u6263\u9664\u201d \u9ed8\u8ba4\u6743\u9650\u7684\u63a9\u7801<\/span><\/h4>\n

        umask \u79f0\u4e3a\u6743\u9650\u63a9\u7801，\u4f5c\u7528\u662f\u63a7\u5236\u7cfb\u7edf\u4e2d\u65b0\u521b\u5efa\u6587\u4ef6\u4e0e\u76ee\u5f55\u7684\u9ed8\u8ba4\u8bbf\u95ee\u6743\u9650\u3002
        \n\u7cfb\u7edf\u62e5\u6709\u9ed8\u8ba4\u6700\u5927\u57fa\u51c6\u6743\u9650，umask \u6307\u5b9a\u9700\u8981\u5c4f\u853d\u53bb\u9664\u7684\u6743\u9650；
        \n\u65b0\u5efa\u5bf9\u8c61\u6700\u7ec8\u6743\u9650\u7b49\u4e8e\u57fa\u51c6\u6743\u9650\u63a9\u7801\u6e05\u9664 umask \u5bf9\u5e94\u7684\u6743\u9650\u4f4d\u3002
        \numask \u8bbe\u7f6e\u4ec5\u5bf9\u4e4b\u540e\u65b0\u5efa\u6587\u4ef6\u751f\u6548，\u4e0d\u4f1a\u6539\u53d8\u5df2\u6709\u6587\u4ef6\u6743\u9650<\/p>\n

        \n

        \u56db\u3001file \u6307\u4ee4<\/span><\/h3>\n

        \u00a0\u00a0file \u547d\u4ee4\u4e0d\u662f\u4fee\u6539\u6743\u9650\u547d\u4ee4，\u4f5c\u7528：\u63a2\u6d4b\u6587\u4ef6\u771f\u5b9e\u7c7b\u578b，\u533a\u5206\u6587\u672c\u3001\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u3001\u76ee\u5f55\u3001\u811a\u672c\u3001\u538b\u7f29\u5305\u7b49\u3002<\/span><\/p>\n

        \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ls \u53ea\u80fd\u770b\u6587\u4ef6\u540d\u540e\u7f00，Linux\u4e0d\u4f9d\u8d56\u540e\u7f00\u8bc6\u522b\u6587\u4ef6\u7c7b\u578b，\u540e\u7f00\u53ea\u662f\u65b9\u4fbf\u4eba\u7c7b\u9605\u8bfb\u3002<\/span><\/p>\n

        \u57fa\u7840\u7528\u6cd5<\/span><\/h4>\n

        file test.txt
        \nfile \/bin\/ls
        \nfile test.sh<\/p>\n

        test.txt: ASCII text
        \n\/bin\/ls: ELF 64-bit LSB shared object, x86-64
        \ntest.sh: Bourne-Again shell script, ASCII text executable<\/p>\n

        \u5e38\u7528\u53c2\u6570<\/span><\/h4>\n
          \n
        • -b：\u7cbe\u7b80\u8f93\u51fa，\u4e0d\u6253\u5370\u6587\u4ef6\u540d<\/span><\/li>\n
        • -i：\u8f93\u51fa MIME \u7c7b\u578b<\/span><\/li>\n<\/ul>\n
          \n

          \u4e94\u3001sudo \u57fa\u7840\u6982\u5ff5<\/span><\/h3>\n

          5.1 \u4ec0\u4e48\u662f sudo<\/span><\/h4>\n

          sudo = superuser do <\/span><\/p>\n<\/p>\n

          \u4f5c\u7528：\u666e\u901a\u7528\u6237\u4e34\u65f6\u4ee5\u5176\u4ed6\u7528\u6237\u8eab\u4efd（\u9ed8\u8ba4 root）\u6267\u884c\u547d\u4ee4\u3002<\/span><\/p>\n<\/p>\n

          \u6838\u5fc3\u4f18\u52bf：<\/span><\/p>\n

        • \u4e0d\u7528\u5171\u4eab root \u5bc6\u7801；<\/span><\/li>\n
        • \u53ef\u4ee5\u7cbe\u51c6\u63a7\u5236：\u5141\u8bb8\u54ea\u4e9b\u7528\u6237\u3001\u6267\u884c\u54ea\u4e9b\u547d\u4ee4；<\/span><\/li>\n
        • \u6240\u6709 sudo \u64cd\u4f5c\u4f1a\u8bb0\u5f55\u65e5\u5fd7（\/var\/log\/secure \u6216 \/var\/log\/auth.log），\u53ef\u5ba1\u8ba1；<\/span><\/li>\n
        • \u6709\u5bc6\u7801\u8d85\u65f6\u673a\u5236，\u77ed\u65f6\u95f4\u5185\u91cd\u590d sudo \u65e0\u9700\u91cd\u590d\u8f93\u5bc6\u7801\u3002<\/span><\/li>\n

          5.2 \u533a\u5206 su \u548c sudo<\/span><\/h4>\n\n\u547d\u4ee4<\/span>\u7279\u70b9<\/span>\u98ce\u9669<\/span><\/tr>\n\n\n\n
          su – root<\/span><\/td>\n\u5207\u6362\u5b8c\u6574 root \u73af\u5883，\u9700\u8981 root \u5bc6\u7801，\u62ff\u5230\u5b8c\u6574 root \u6743\u9650<\/span><\/td>\n\u6781\u9ad8，\u62ff\u5230\u5bc6\u7801\u5c31\u80fd\u64cd\u4f5c\u6240\u6709\u5185\u5bb9<\/span><\/td>\n<\/tr>\n
          sudo command<\/span><\/td>\n\u4e34\u65f6\u63d0\u6743，\u4f7f\u7528\u81ea\u5df1\u7528\u6237\u7684\u5bc6\u7801，\u6743\u9650\u53d7\u914d\u7f6e\u6587\u4ef6\u9650\u5236<\/span><\/td>\n\u53ef\u63a7，\u53ef\u4ee5\u53ea\u5f00<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
          \n

          \u516d\u3001\u76ee\u5f55\u7684\u6743\u9650\u3010\u91cd\u96be\u70b9\u3011<\/span><\/h3>\n

          \u2757 \u5343\u4e07\u4e0d\u8981\u628a\u6587\u4ef6\u6743\u9650\u89c4\u5219\u5957\u7528\u5230\u76ee\u5f55！rwx \u542b\u4e49\u5b8c\u5168\u4e0d\u4e00\u6837<\/span><\/p>\n

          \u5047\u8bbe\u76ee\u5f55\u540d\u4e3a mydir<\/span><\/p>\n\n\u6743\u9650<\/span>\u5bf9\u76ee\u5f55\u7684\u4f5c\u7528<\/span><\/tr>\n\n\n\n\n
          r（\u8bfb）<\/span><\/td>\n\n

          \u53ef\u4ee5\u4f7f\u7528ls mydir\u5217\u51fa\u76ee\u5f55\u5185\u6587\u4ef6\u540d；<\/span><\/p>\n

          \u4f46\u662f\u65e0\u6cd5\u8fdb\u5165\u76ee\u5f55\u3001\u65e0\u6cd5\u67e5\u770b\u6587\u4ef6\u5c5e\u6027（\u7f3a\u5c11 x \u6743\u9650）<\/span><\/p>\n<\/td>\n<\/tr>\n

          w（\u5199）<\/span><\/td>\n\n

          \u53ef\u4ee5\u5728\u76ee\u5f55\u5185：\u65b0\u5efa\u6587\u4ef6\u3001\u5220\u9664\u6587\u4ef6\u3001\u91cd\u547d\u540d\u6587\u4ef6\u3001\u79fb\u52a8\u6587\u4ef6<\/span><\/p>\n

          \u26a0\ufe0f\u5173\u952e\u70b9：\u80fd\u5426\u5220\u9664\u6587\u4ef6，\u4e0d\u7531\u6587\u4ef6\u81ea\u8eab\u6743\u9650\u51b3\u5b9a，\u7531\u3010\u6587\u4ef6\u6240\u5728\u76ee\u5f55\u3011\u7684 w \u6743\u9650\u63a7\u5236！<\/span><\/p>\n<\/td>\n<\/tr>\n

          x（\u6267\u884c \/ \u8fdb\u5165）<\/span><\/td>\n\n

          \u5141\u8bb8cd mydir\u5207\u6362\u8fdb\u5165\u76ee\u5f55；\u5141\u8bb8\u8bbf\u95ee\u76ee\u5f55\u5185\u90e8\u6587\u4ef6\u7684 inode \u5143\u6570\u636e；<\/span><\/p>\n

          \u76ee\u5f55\u60f3\u8981\u6b63\u5e38\u4f7f\u7528，\u51e0\u4e4e\u5fc5\u987b\u5177\u5907 x \u6743\u9650<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u7ecf\u5178\u8e29\u5751\u6848\u4f8b<\/span><\/h4>\n

          \u573a\u666f：\u4e00\u4e2a\u6587\u4ef6\u6743\u9650 444（\u6240\u6709\u4eba\u53ea\u8bfb），\u4f46\u662f\u6587\u4ef6\u6240\u5728\u76ee\u5f55\u6743\u9650 777 <\/span><\/p>\n

          \u7ed3\u8bba：\u4efb\u4f55\u7528\u6237\u4f9d\u7136\u53ef\u4ee5\u5220\u9664\u8fd9\u4e2a\u53ea\u8bfb\u6587\u4ef6\u3002 <\/span><\/p>\n

          \u539f\u56e0：\u5220\u9664\u64cd\u4f5c\u4fee\u6539\u7684\u662f\u76ee\u5f55\u6761\u76ee，\u53d7\u76ee\u5f55 w \u6743\u9650\u63a7\u5236，\u548c\u6587\u4ef6\u672c\u8eab\u8bfb\u5199\u6743\u9650\u65e0\u5173\u3002<\/span><\/p>\n

          \u76ee\u5f55\u6743\u9650\u642d\u914d\u7ecf\u9a8c<\/span><\/h4>\n
        • \u53ea\u6709 r\u3001\u6ca1\u6709 x：\u80fd\u770b\u5230\u6587\u4ef6\u540d，\u4e0d\u80fd cd \u8fdb\u53bb，\u4e0d\u80fd\u8bbf\u95ee\u6587\u4ef6；\u57fa\u672c\u65e0\u5b9e\u7528\u4ef7\u503c<\/span><\/li>\n
        • \u53ea\u6709 x\u3001\u6ca1\u6709 r：\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5df2\u77e5\u5b8c\u6574\u8def\u5f84\u7684\u6587\u4ef6，\u4f46\u662f\u4e0d\u80fd ls \u5217\u51fa\u76ee\u5f55\u5185\u5bb9<\/span><\/li>\n
        • \u6b63\u5e38\u5bf9\u5916\u5f00\u653e\u76ee\u5f55：755(rwxr-xr-x)<\/span><\/li>\n
        • \u79c1\u4eba\u76ee\u5f55：700<\/span><\/li>\n
          \n

          \u4e03\u3001\u5173\u4e8e\u6743\u9650\u7684\u6574\u4f53\u603b\u7ed3<\/span><\/h3>\n

          \u6838\u5fc3\u539f\u5219\u6c47\u603b<\/span><\/h4>\n
        • Linux \u57fa\u7840\u6743\u9650\u6a21\u578b UGO：\u4e09\u7c7b\u8eab\u4efd u g o，\u57fa\u7840\u6743\u9650 r w x；<\/span><\/li>\n
        • rwx \u8bed\u4e49\u533a\u5206\u6587\u4ef6\u548c\u76ee\u5f55，\u76ee\u5f55 x \u6743\u9650\u662f\u8fdb\u5165\u76ee\u5f55\u7684\u524d\u63d0；<\/span><\/li>\n
        • \u6587\u4ef6\u80fd\u5426\u5220\u9664 \u2192 \u770b\u7236\u76ee\u5f55 w \u6743\u9650，\u4e0d\u662f\u6587\u4ef6\u81ea\u8eab\u6743\u9650；<\/span><\/li>\n
        • chmod\u6539\u6743\u9650，chown\u6539\u5f52\u5c5e；<\/span><\/li>\n
        • \u6570\u5b57\u6743\u9650\u662f\u516b\u8fdb\u5236\u63a9\u7801，r=4 w=2 x=1；<\/span><\/li>\n
        • \u9075\u5faa\u6700\u5c0f\u6743\u9650\u539f\u5219：\u4e0d\u7ed9\u591a\u4f59\u6743\u9650，\u907f\u514d 777\u3002<\/span><\/li>\n

          \u5bb9\u6613\u6df7\u6dc6\u547d\u4ee4\u533a\u5206<\/span><\/h4>\n
            \n
          • ls -l：\u67e5\u770b\u6743\u9650\u3001\u5c5e\u4e3b\u3001\u5c5e\u7ec4<\/span><\/li>\n
          • chmod：\u4fee\u6539 rwx \u6743\u9650<\/span><\/li>\n
          • chown：\u4fee\u6539\u6587\u4ef6\u6240\u6709\u8005\u3001\u7528\u6237\u7ec4<\/span><\/li>\n
          • file：\u8bc6\u522b\u6587\u4ef6\u771f\u5b9e\u7c7b\u578b<\/span><\/li>\n<\/ul>\n
            \n

            \u516b\u3001\u7c98\u6ede\u4f4d Sticky Bit<\/span><\/h3>\n

            Linux \u9664\u57fa\u7840 rwx \u6743\u9650\u5916，\u8fd8\u6709 3 \u4e2a\u9ad8\u7ea7\u7279\u6b8a\u6743\u9650：SUID\u3001SGID\u3001Sticky \u7c98\u6ede\u4f4d，\u7c98\u6ede\u4f4d\u662f\u9762\u8bd5\u9ad8\u9891\u8003\u70b9\u3002<\/span><\/p>\n

            8.1 \u7c98\u6ede\u4f4d\u4f5c\u7528<\/span><\/h4>\n

            \u7c98\u6ede\u4f4d\u53ea\u5bf9\u3010\u76ee\u5f55\u3011\u751f\u6548，\u5bf9\u6587\u4ef6\u65e0\u6548！ <\/span><\/p>\n

            \u5f53\u76ee\u5f55\u8bbe\u7f6e\u7c98\u6ede\u4f4d\u4e4b\u540e： \u76ee\u5f55\u5185\u7684\u6587\u4ef6，\u53ea\u6709\u4e24\u4e2a\u89d2\u8272\u53ef\u4ee5\u5220\u9664 \/ \u91cd\u547d\u540d<\/span><\/p>\n

          • \u6587\u4ef6\u81ea\u8eab\u7684\u5c5e\u4e3b<\/span><\/li>\n
          • root \u8d85\u7ea7\u7528\u6237 \u5373\u4f7f\u5176\u4ed6\u7528\u6237\u62e5\u6709\u8be5\u76ee\u5f55\u7684 w \u6743\u9650，\u4e5f\u4e0d\u80fd\u5220\u9664\u522b\u4eba\u521b\u5efa\u7684\u6587\u4ef6\u3002<\/span><\/li>\n

            8.2 \u5178\u578b\u573a\u666f：\u7cfb\u7edf\u4e34\u65f6\u76ee\u5f55 \/tmp<\/span><\/h4>\n

            ls -ld \/tmp
            \ndrwxrwxrwt 1 root root … \/tmp<\/p>\n

            \u672b\u5c3e\u6743\u9650\u662f t，\u4ee3\u8868\u5f00\u542f\u7c98\u6ede\u4f4d\u3002<\/span> \/tmp \u76ee\u5f55\u6743\u9650 777，\u6240\u6709\u4eba\u90fd\u80fd\u521b\u5efa\u4e34\u65f6\u6587\u4ef6，\u4f46\u662f\u6709\u7c98\u6ede\u4f4d\u4fdd\u62a4：\u7528\u6237\u53ea\u80fd\u5220\u9664\u81ea\u5df1\u521b\u5efa\u7684\u4e34\u65f6\u6587\u4ef6，\u4e0d\u80fd\u5220\u522b\u4eba\u7684\u3002<\/span><\/p>\n

            8.3 \u7c98\u6ede\u4f4d\u8bbe\u7f6e\u4e0e\u53d6\u6d88<\/span><\/h4>\n

            \u7c98\u6ede\u4f4d\u516b\u8fdb\u5236\u524d\u7f00：1000<\/span><\/p>\n

            # \u6570\u5b57\u65b9\u5f0f\u6dfb\u52a0\u7c98\u6ede\u4f4d
            \nchmod 1777 share_dir
            \n# \u7b26\u53f7\u65b9\u5f0f\u6dfb\u52a0
            \nchmod o+t share_dir
            \n# \u79fb\u9664\u7c98\u6ede\u4f4d
            \nchmod o-t share_dir<\/p>\n

            8.4 \u6743\u9650\u6807\u8bc6\u8bf4\u660e<\/span><\/h4>\n
              \n
            • \u76ee\u5f55\u5176\u4ed6\u4f4d\u539f\u672c\u6709 x \u6743\u9650：\u663e\u793a\u5c0f\u5199 t<\/span><\/li>\n
            • \u76ee\u5f55\u5176\u4ed6\u4f4d\u6ca1\u6709 x \u6743\u9650：\u663e\u793a\u5927\u5199 T（\u7c98\u6ede\u4f4d\u8bbe\u7f6e\u5931\u6548，\u65e0\u5b9e\u9645\u4f5c\u7528）<\/span><\/li>\n<\/ul>\n

              \u62d3\u5c55\u8865\u5145（\u62d3\u5c55\u9605\u8bfb）<\/span><\/h4>\n

              \u53e6\u5916\u4e24\u4e2a\u7279\u6b8a\u6743\u9650\u7b80\u5355\u4e86\u89e3：<\/span><\/p>\n

            • SUID (4000)：\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u8fd0\u884c\u65f6，\u4e34\u65f6\u62e5\u6709\u7a0b\u5e8f\u5c5e\u4e3b\u6743\u9650（\u5982 passwd \u547d\u4ee4）<\/span><\/li>\n
            • SGID (2000)：\u76ee\u5f55\u4e0b\u65b0\u5efa\u6587\u4ef6\u81ea\u52a8\u7ee7\u627f\u76ee\u5f55\u7684\u5c5e\u7ec4；\u4e8c\u8fdb\u5236\u7a0b\u5e8f\u8fd0\u884c\u7ee7\u627f\u5c5e\u7ec4<\/span><\/li>\n
              \n

              \u00a0Linux \u6743\u9650\u4e13\u9898\u3010\u9ad8\u9891\u5e38\u89c1\u9762\u8bd5\u9898\u3011<\/span><\/span><\/h2>\n

              \u4e00\u3001\u7b80\u7b54\u57fa\u7840\u9898（\u6700\u5e38\u95ee）<\/span><\/h3>\n

              1. Linux \u4e2d UGO \u5206\u522b\u4ee3\u8868\u4ec0\u4e48？<\/span><\/p>\n

              \u7b54： <\/span><\/p>\n

              u (user) \u6587\u4ef6\u5c5e\u4e3b（\u6240\u6709\u8005）<\/span><\/p>\n

              g<\/span> (group) \u6587\u4ef6\u6240\u5c5e\u7528\u6237\u7ec4（\u5c5e\u7ec4）<\/span><\/p>\n

              o (other) \u5176\u4ed6\u7528\u6237 <\/span><\/p>\n

              a (all) \u5168\u90e8\u4e09\u7c7b\u7528\u6237<\/span><\/p>\n

              \n

              2.r\u3001w\u3001x \u6743\u9650，\u5bf9\u6587\u4ef6\u548c\u76ee\u5f55\u4f5c\u7528\u5206\u522b\u662f\u4ec0\u4e48？ <\/span><\/p>\n

              \u7b54： <\/span><\/p>\n

              \u2705 \u6587\u4ef6 r：\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9 w：\u4fee\u6539\u3001\u8986\u76d6\u6587\u4ef6\u5185\u5bb9 x：\u6267\u884c\u811a\u672c \/ \u4e8c\u8fdb\u5236\u7a0b\u5e8f<\/span><\/p>\n

              \u2705 \u76ee\u5f55 r：ls \u5217\u51fa\u76ee\u5f55\u5185\u6587\u4ef6\u540d w：\u5728\u76ee\u5f55\u5185\u65b0\u5efa\u3001\u5220\u9664\u3001\u91cd\u547d\u540d\u3001\u79fb\u52a8\u6587\u4ef6 x：\u5141\u8bb8 cd \u8fdb\u5165\u76ee\u5f55\u3001\u8bbf\u95ee\u76ee\u5f55\u5185\u6587\u4ef6；\u76ee\u5f55\u6b63\u5e38\u4f7f\u7528\u5fc5\u987b\u5177\u5907 x \u6743\u9650<\/span><\/p>\n

              \n

              3.chmod\u3001chown\u3001chgrp\u4e09\u8005\u533a\u522b？ <\/span><\/p>\n

              \u7b54： <\/span><\/p>\n

              chmod：\u4fee\u6539\u6587\u4ef6 r\/w\/x \u8bbf\u95ee\u6743\u9650 <\/span><\/p>\n

              chown：\u4fee\u6539\u6587\u4ef6\u5c5e\u4e3b，\u4e5f\u53ef\u4ee5\u540c\u65f6\u4fee\u6539\u5c5e\u7ec4 chown user:group file <\/span><\/p>\n

              chgrp：\u53ea\u4fee\u6539\u6587\u4ef6\u7684\u5c5e\u7ec4，\u7b49\u4ef7 chown :group file<\/span><\/p>\n

              \n

              4.umask \u7684\u4f5c\u7528\u662f\u4ec0\u4e48？\u5df2\u7ecf\u5b58\u5728\u7684\u6587\u4ef6，\u4fee\u6539 umask \u4f1a\u6539\u53d8\u6743\u9650\u5417？<\/span> <\/span><\/p>\n

              \u7b54：<\/span><\/p>\n

              umask \u662f\u6743\u9650\u63a9\u7801，\u7528\u6765\u63a7\u5236\u65b0\u521b\u5efa\u6587\u4ef6\u3001\u76ee\u5f55\u7684\u9ed8\u8ba4\u6743\u9650；<\/span><\/p>\n

              umask \u53ea\u4f1a\u5f71\u54cd\u540e\u7eed\u65b0\u5efa\u7684\u8d44\u6e90，\u4e0d\u4f1a\u6539\u53d8\u5df2\u7ecf\u5b58\u5728\u7684\u6587\u4ef6\u6743\u9650\u3002<\/span><\/p>\n

              \n

              5.\u65b0\u5efa\u6587\u4ef6\u3001\u65b0\u5efa\u76ee\u5f55\u7684\u6743\u9650\u8ba1\u7b97\u57fa\u51c6\u503c\u662f\u591a\u5c11？<\/span><\/p>\n

              \u7b54：<\/span><\/p>\n

              \u76ee\u5f55\u57fa\u51c6\u6743\u9650：777<\/span><\/p>\n

              \u666e\u901a\u6587\u4ef6\u57fa\u51c6\u6743\u9650：666 <\/span><\/p>\n

              \u539f\u56e0：\u7cfb\u7edf\u4e0d\u4f1a\u81ea\u52a8\u7ed9\u666e\u901a\u6587\u4ef6\u8d4b\u4e88\u6267\u884c\u6743\u9650，\u51fa\u4e8e\u5b89\u5168\u8003\u8651\u3002<\/span><\/p>\n

              \n

              6.\u4ec0\u4e48\u662f\u7c98\u6ede\u4f4d？\u4f5c\u7528\u662f\u4ec0\u4e48，\u5178\u578b\u5e94\u7528\u76ee\u5f55？<\/span><\/p>\n

              \u7b54： <\/span><\/p>\n

              \u7c98\u6ede\u4f4d\u4ec5\u5bf9\u76ee\u5f55\u751f\u6548； \u76ee\u5f55\u5f00\u542f\u7c98\u6ede\u4f4d\u540e，\u5c31\u7b97\u76ee\u5f55\u62e5\u6709 w \u6743\u9650，\u7528\u6237\u53ea\u80fd\u5220\u9664\u81ea\u5df1\u521b\u5efa\u7684\u6587\u4ef6，\u4e0d\u80fd\u5220\u9664\u522b\u4eba\u7684\u6587\u4ef6\u3002 \u5178\u578b\u76ee\u5f55：\/tmp \u8bbe\u7f6e：chmod 1777 dir \u6216 chmod o+t dir<\/span><\/p>\n

              \n

              7.su \u548c sudo \u7684\u533a\u522b？<\/span> <\/span><\/p>\n

              \u7b54：<\/span><\/p>\n

              su：\u9700\u8981 root \u5bc6\u7801，\u5b8c\u6574\u5207\u6362 root \u8eab\u4efd，\u6743\u9650\u65e0\u9650\u5236；<\/span><\/p>\n

              sudo：\u4f7f\u7528\u81ea\u5df1\u8d26\u53f7\u5bc6\u7801，\u7ba1\u7406\u5458\u53ef\u4ee5\u9650\u5236\u80fd\u6267\u884c\u54ea\u4e9b root \u547d\u4ee4，\u65e0\u9700\u6cc4\u9732 root \u5bc6\u7801，\u5e76\u4e14\u64cd\u4f5c\u4f1a\u8bb0\u5f55\u65e5\u5fd7\u3002<\/span><\/p>\n

              \n

              8.\u4fee\u6539 \/etc\/sudoers \u4e3a\u4ec0\u4e48\u63a8\u8350\u4f7f\u7528 visudo？<\/span><\/p>\n

              \u7b54：<\/span><\/p>\n

              visudo \u4f1a\u81ea\u52a8\u68c0\u67e5\u914d\u7f6e\u8bed\u6cd5；\u5982\u679c\u914d\u7f6e\u5199\u9519，\u963b\u6b62\u4fdd\u5b58，\u9632\u6b62 sudo \u6574\u4f53\u5931\u6548；<\/span><\/p>\n

              \u76f4\u63a5 vim \u7f16\u8f91\u51fa\u9519\u4f1a\u5bfc\u81f4 sudo \u762b\u75ea\u3002<\/span><\/p>\n

              \n

              9.file \u547d\u4ee4\u7684\u529f\u80fd？Linux \u6587\u4ef6\u540e\u7f00\u540d\u662f\u5426\u51b3\u5b9a\u6587\u4ef6\u7c7b\u578b？<\/span><\/p>\n

              \u7b54：<\/span><\/p>\n

              file \u547d\u4ee4：\u8bc6\u522b\u6587\u4ef6\u771f\u5b9e\u7c7b\u578b（\u6587\u672c\u3001\u53ef\u6267\u884c\u7a0b\u5e8f\u3001\u811a\u672c\u7b49）；<\/span><\/p>\n

              Linux\u4e0d\u9760\u540e\u7f00\u8bc6\u522b\u6587\u4ef6\u7c7b\u578b，\u540e\u7f00\u53ea\u662f\u65b9\u4fbf\u4eba\u9605\u8bfb\u3002<\/span><\/p>\n

              \n

              \u4e8c\u3001\u8ba1\u7b97\u9898（\u7b14\u8bd5\u5fc5\u8003）<\/span><\/h3>\n
            • \n

              \u6743\u9650\u5b57\u7b26\u4e32 rw-r–r– \u8f6c\u6362\u6210\u516b\u8fdb\u5236\u6743\u9650？ \u7b54：644<\/span><\/p>\n<\/li>\n

            • \n

              umask=022，\u65b0\u5efa\u76ee\u5f55\u548c\u65b0\u5efa\u6587\u4ef6\u9ed8\u8ba4\u6743\u9650？ \u7b54：\u76ee\u5f55 755，\u6587\u4ef6 644<\/span><\/p>\n<\/li>\n

            • \n

              \u547d\u4ee4：\u7ed9\u811a\u672c test.sh \u7684\u5c5e\u4e3b\u6dfb\u52a0\u6267\u884c\u6743\u9650（\u4e0d\u6539\u52a8\u5176\u4ed6\u6743\u9650） \u7b54：chmod u+x test.sh<\/span><\/p>\n<\/li>\n

            • \n

              \u521b\u5efa\u5171\u4eab\u76ee\u5f55 share，\u6240\u6709\u4eba\u8bfb\u5199，\u4f46\u53ea\u80fd\u5220\u9664\u81ea\u5df1\u7684\u6587\u4ef6，\u5199\u51fa\u547d\u4ee4<\/span><\/p>\n<\/li>\n

              mkdir share
              \nchmod 1777 share<\/p>\n

              \n

              \u4e09\u3001\u7ecf\u5178\u9677\u9631\u9ad8\u9891\u9898（\u9762\u8bd5\u6700\u7231\u8ffd\u95ee）<\/span><\/h3>\n

              1.\u6587\u4ef6 test.txt \u6743\u9650444（\u6240\u6709\u4eba\u53ea\u8bfb），\u6240\u5728\u76ee\u5f55\u6743\u9650 777，\u666e\u901a\u7528\u6237\u80fd\u4e0d\u80fd\u5220\u9664\u8be5\u6587\u4ef6？\u4e3a\u4ec0\u4e48？<\/span><\/p>\n

              \u7b54：<\/span><\/p>\n

              \u53ef\u4ee5\u5220\u9664\u3002 \u80fd\u5426\u5220\u9664\u6587\u4ef6，\u7531\u6587\u4ef6\u6240\u5728\u76ee\u5f55\u7684 w \u6743\u9650\u63a7\u5236，\u548c\u6587\u4ef6\u81ea\u8eab\u8bfb\u5199\u6743\u9650\u65e0\u5173\u3002 \u76ee\u5f55\u5f00\u542f\u7c98\u6ede\u4f4d\u4e4b\u540e，\u5219\u65e0\u6cd5\u5220\u9664\u522b\u4eba\u521b\u5efa\u7684\u8fd9\u4e2a\u6587\u4ef6\u3002<\/span><\/p>\n

              \n

              2.\u4e00\u4e2a\u76ee\u5f55\u53ea\u6709 r \u6743\u9650\u3001\u6ca1\u6709 x \u6743\u9650，\u4f1a\u53d1\u751f\u4ec0\u4e48？<\/span> <\/span><\/p>\n

              \u7b54：<\/span><\/p>\n

              \u53ef\u4ee5 ls \u770b\u5230\u76ee\u5f55\u5185\u6587\u4ef6\u540d，\u4f46\u662f\u65e0\u6cd5 cd \u8fdb\u5165\u76ee\u5f55，\u4e0d\u80fd\u8bfb\u53d6\u5185\u90e8\u6587\u4ef6\u5185\u5bb9\u3002<\/span><\/p>\n

              \n

              3.sudo -i \u548c sudo -s \u7b80\u5355\u533a\u522b？<\/span> <\/span><\/p>\n

              \u7b54：<\/span><\/p>\n

              sudo -i：\u6a21\u62df\u767b\u5f55 root，\u5b8c\u6574\u52a0\u8f7d root \u73af\u5883\u53d8\u91cf，\u5207\u6362\u5230 root \u5bb6\u76ee\u5f55； sudo -s：\u6253\u5f00 root shell，\u6cbf\u7528\u5f53\u524d\u7528\u6237\u73af\u5883\u53d8\u91cf，\u4e0d\u5207\u6362\u5de5\u4f5c\u76ee\u5f55\u3002<\/span><\/p>\n

              \n

              4.\u5982\u4f55\u67e5\u770b\u5f53\u524d\u8d26\u53f7\u62e5\u6709\u54ea\u4e9b sudo \u6743\u9650？<\/span><\/p>\n

              \u7b54：<\/span><\/p>\n

              sudo -l<\/span><\/p>\n

              \n

              \u56db\u3001\u547d\u4ee4\u5b9e\u64cd\u95ee\u7b54\u9898（\u53e3\u5934\u63d0\u95ee）<\/span><\/h3>\n
            • \n

              \u9012\u5f52\u4fee\u6539 \/www \u76ee\u5f55\u4e0b\u6240\u6709\u6587\u4ef6\u5c5e\u7ec4\u4e3a www \u7b54：chgrp -R www \/www<\/span><\/p>\n<\/li>\n

            • \n

              \u6388\u6743\u7528\u6237 lisi \u514d\u5bc6\u6267\u884c systemctl restart nginx，\u5199\u51fa sudoers \u4e00\u884c\u914d\u7f6e \u7b54： lisi ALL=(ALL) NOPASSWD: \/usr\/bin\/systemctl restart nginx<\/span><\/p>\n<\/li>\n

              \n

              \u4e94\u3001\u5224\u65ad\u9898（\u5e38\u89c1\u9009\u62e9\u9898\u8003\u70b9）<\/span><\/h3>\n
            • chgrp \u53ef\u4ee5\u4fee\u6539\u6587\u4ef6\u5c5e\u4e3b\u3002（\u00d7）<\/span><\/li>\n
            • \u76ee\u5f55\u6743\u9650 777，\u4ee3\u8868\u76ee\u5f55\u91cc\u9762\u6240\u6709\u6587\u4ef6\u81ea\u52a8\u62e5\u6709 777 \u6743\u9650\u3002（\u00d7）<\/span><\/li>\n
            • umask \u4fee\u6539\u540e，\u65e7\u6587\u4ef6\u6743\u9650\u4f1a\u540c\u6b65\u53d8\u5316\u3002（\u00d7）<\/span><\/li>\n
            • sudo \u914d\u7f6e\u4e2d，\u547d\u4ee4\u5c3d\u91cf\u5199\u7edd\u5bf9\u8def\u5f84，\u9632\u6b62\u5b89\u5168\u98ce\u9669\u3002（\u221a）<\/span><\/li>\n
              \n

              \"\"<\/p>\n

              \n","protected":false},"excerpt":{"rendered":"

              Linux \u6743\u9650\u7ba1\u7406\u5b8c\u6574\u8be6\u89e3\u00a0\u00a0\u4e00\u3001Linux \u6743\u9650\u7684\u6982\u5ff51.1 \u6743\u9650\u8bde\u751f\u80cc\u666fLinux \u662f\u591a\u7528\u6237\u5206\u65f6\u64cd\u4f5c\u7cfb\u7edf，\u5141\u8bb8\u591a\u4e2a\u7528\u6237\u540c\u65f6\u767b\u5f55\u3001\u64cd\u4f5c\u7cfb\u7edf\u8d44\u6e90\u3002\u4e3a\u4e86\u9632\u6b62\u7528\u6237\u968f\u610f\u4fee\u6539\u3001\u5220\u9664\u4ed6\u4eba\u6587\u4ef6，\u9694\u79bb\u8d44\u6e90\u3001\u4fdd\u969c\u7cfb\u7edf\u5b89\u5168，\u5185\u6838\u5f15\u5165\u6743\u9650\u8bbf\u95ee\u63a7\u5236\u673a\u5236\u3002Windows \u91c7\u7528 ACL \u8bbf\u95ee\u63a7\u5236\u5217\u8868；Linux \u57fa\u7840\u6a21\u578b\u91c7\u7528\u7ecf\u5178UGO（User\/Group\/Other）\u6743\u9650\u6a21\u578b\u30021.2 UGO \u4e09\u7c7b\u8eab\u4efd\u4f7f\u7528 ls –<\/p>\n","protected":false},"author":2,"featured_media":83507,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9099,58,43,44],"topic":[],"class_list":["post-83509","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-9099","tag-linux","tag-43","tag-44"],"yoast_head":"\n\u3010Linux\u3011 \u6743\u9650\u7ba1\u7406\uff08\u77e5\u8bc6\u68b3\u7406 + \u9762\u8bd5\u9898\uff09 - \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\/83509.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010Linux\u3011 \u6743\u9650\u7ba1\u7406\uff08\u77e5\u8bc6\u68b3\u7406 + \u9762\u8bd5\u9898\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"Linux \u6743\u9650\u7ba1\u7406\u5b8c\u6574\u8be6\u89e3\u00a0\u00a0\u4e00\u3001Linux \u6743\u9650\u7684\u6982\u5ff51.1 \u6743\u9650\u8bde\u751f\u80cc\u666fLinux \u662f\u591a\u7528\u6237\u5206\u65f6\u64cd\u4f5c\u7cfb\u7edf，\u5141\u8bb8\u591a\u4e2a\u7528\u6237\u540c\u65f6\u767b\u5f55\u3001\u64cd\u4f5c\u7cfb\u7edf\u8d44\u6e90\u3002\u4e3a\u4e86\u9632\u6b62\u7528\u6237\u968f\u610f\u4fee\u6539\u3001\u5220\u9664\u4ed6\u4eba\u6587\u4ef6，\u9694\u79bb\u8d44\u6e90\u3001\u4fdd\u969c\u7cfb\u7edf\u5b89\u5168，\u5185\u6838\u5f15\u5165\u6743\u9650\u8bbf\u95ee\u63a7\u5236\u673a\u5236\u3002Windows \u91c7\u7528 ACL \u8bbf\u95ee\u63a7\u5236\u5217\u8868；Linux \u57fa\u7840\u6a21\u578b\u91c7\u7528\u7ecf\u5178UGO（User\/Group\/Other）\u6743\u9650\u6a21\u578b\u30021.2 UGO \u4e09\u7c7b\u8eab\u4efd\u4f7f\u7528 ls -\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/83509.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-25T16:33:29+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/07\/20260725163324-6a64e554e3a7b.png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/83509.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/83509.html\",\"name\":\"\u3010Linux\u3011 \u6743\u9650\u7ba1\u7406\uff08\u77e5\u8bc6\u68b3\u7406 + \u9762\u8bd5\u9898\uff09 - 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