{"id":38159,"date":"2025-05-20T01:03:58","date_gmt":"2025-05-19T17:03:58","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/38159.html"},"modified":"2025-05-20T01:03:58","modified_gmt":"2025-05-19T17:03:58","slug":"%e5%ad%a6%e4%b9%a0%e9%bb%91%e5%ae%a2linux-%e5%91%bd%e4%bb%a4","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/38159.html","title":{"rendered":"\u5b66\u4e60\u9ed1\u5ba2Linux \u547d\u4ee4"},"content":{"rendered":"

\u5728\u64cd\u4f5c\u4e0b\u9762\u7684\u95ef\u5173\u9898\u4e4b\u524d，\u7ed9\u4e0b\u5b66\u4e60\u8d44\u6599 <\/p>\n

\u4e00\u56fe\u901f\u89c8：20 \u6761\u547d\u4ee4\u53ca\u7ec3\u4e60\u624b\u518c<\/h3>\n\n#\u547d\u4ee4 & \u5e38\u7528\u53c2\u6570\u5173\u952e\u4f5c\u7528\u5178\u578b\u7ec3\u4e60<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
1<\/td>\nls -alh<\/td>\n\u5217\u6587\u4ef6（\u542b\u9690\u85cf & \u4eba\u7c7b\u53ef\u8bfb\u5927\u5c0f）(\u6570\u5b57\u6d77\u6d0b)<\/td>\n\u5728 $HOME \u7edf\u8ba1\u76ee\u5f55\u6570<\/td>\n<\/td>\n<\/tr>\n
2<\/td>\ncd \/ pwd<\/td>\n\u5207\u6362\u3001\u663e\u793a\u8def\u5f84<\/td>\ncd \/tmp && pwd<\/td>\n<\/td>\n<\/tr>\n
3<\/td>\ncp -a \/ mv \/ rm -rf<\/td>\n\u590d\u5236\u3001\u79fb\u52a8\u3001\u5220\u9664<\/td>\n\u5efa test \u76ee\u5f55\u7ec3\u624b<\/td>\n<\/td>\n<\/tr>\n
4<\/td>\ntouch \/ mkdir -p<\/td>\n\u65b0\u5efa\u6587\u4ef6 \/ \u9012\u5f52\u5efa\u76ee\u5f55<\/td>\nmkdir -p lab\/day1 && touch note.txt<\/td>\n<\/td>\n<\/tr>\n
5<\/td>\ncat \/ less \/ head -n 5<\/td>\n\u67e5\u770b\u6587\u4ef6\u5185\u5bb9<\/td>\n\u9605\u8bfb \/etc\/os-release<\/td>\n<\/td>\n<\/tr>\n
6<\/td>\ngrep -nEi<\/td>\n\u5173\u952e\u8bcd\/\u6b63\u5219\u641c\u7d22（\u884c\u53f7\u3001\u5ffd\u7565\u5927\u5c0f\u5199）(\u6570\u5b57\u6d77\u6d0b)<\/td>\n\u627e\u51fa\u65e5\u5fd7\u4e2d error \u884c<\/td>\n<\/td>\n<\/tr>\n
7<\/td>\nfind \/ -type f -perm -4000 2>\/dev\/null<\/td>\n\u641c\u7d22 SUID \u6587\u4ef6(The world\u2019s open source leader)<\/td>\n\u5217\u51fa\u7cfb\u7edf SUID \u6e05\u5355<\/td>\n<\/td>\n<\/tr>\n
8<\/td>\nchmod 644 \/ chown user:group<\/td>\n\u6539\u6743\u9650\/\u5c5e\u4e3b（644=rw-r\u2013r\u2013）(theserverside.com)<\/td>\n\u7ed9 note.txt \u6539\u6743\u9650<\/td>\n<\/td>\n<\/tr>\n
9<\/td>\ntar -czf backup.tar.gz dir\/<\/td>\n\u6253\u5305\u538b\u7f29(LabEx)<\/td>\n\u5907\u4efd lab\/ \u76ee\u5f55<\/td>\n<\/td>\n<\/tr>\n
10<\/td>\nscp file user@host:\/path<\/td>\n\u8fdc\u7a0b\u5b89\u5168\u590d\u5236(LinuxBlog.io)<\/td>\n\u628a backup.tar.gz \u4f20\u5230 VPS<\/td>\n<\/td>\n<\/tr>\n
11<\/td>\nwget -qO- URL<\/td>\n\u547d\u4ee4\u884c\u4e0b\u8f7d \/ \u5feb\u901f\u67e5\u770b\u7f51\u9875<\/td>\n\u6293\u53d6 robots.txt<\/td>\n<\/td>\n<\/tr>\n
12<\/td>\ncurl -I URL<\/td>\n\u67e5\u770b HTTP \u5934<\/td>\n\u89c2\u5bdf 301\/200<\/td>\n<\/td>\n<\/tr>\n
13<\/td>\nsudo -l<\/td>\n\u5217\u53ef\u6267\u884c sudo \u547d\u4ee4(GitHub)<\/td>\n\u5224\u65ad\u63d0\u6743\u9762<\/td>\n<\/td>\n<\/tr>\n
14<\/td>\n`ps aux –sort=-%mem<\/td>\nhead`<\/td>\n\u67e5\u770b\u8fdb\u7a0b<\/td>\n\u627e\u5185\u5b58\u524d 5 \u540d<\/td>\n<\/tr>\n
15<\/td>\ntop \/ htop<\/td>\n\u4ea4\u4e92\u5f0f\u76d1\u63a7<\/td>\n\u89c2\u5bdf CPU \u5cf0\u503c<\/td>\n<\/td>\n<\/tr>\n
16<\/td>\n`du -sh *<\/td>\nsort -h`<\/td>\n\u76ee\u5f55\u4f53\u79ef\u6392\u884c<\/td>\n\u5b9a\u4f4d\u5927\u6587\u4ef6\u5939<\/td>\n<\/tr>\n
17<\/td>\ndf -hT<\/td>\n\u78c1\u76d8\u5206\u533a & \u7c7b\u578b<\/td>\n\u67e5\u770b\u6302\u8f7d\u60c5\u51b5<\/td>\n<\/td>\n<\/tr>\n
18<\/td>\n`history<\/td>\ntail -20`<\/td>\n\u67e5\u770b\u5386\u53f2\u547d\u4ee4<\/td>\n\u56de\u987e\u4eca\u5929\u64cd\u4f5c<\/td>\n<\/tr>\n
19<\/td>\nssh-keygen -t ed25519<\/td>\n\u751f\u6210\u516c\u79c1\u94a5<\/td>\n\u653e\u8fdb ~\/.ssh<\/td>\n<\/td>\n<\/tr>\n
20<\/td>\ntldr <command><\/td>\n\u67e5\u770b\u7b80\u660e\u7528\u6cd5（\u9700 npm i -g tldr)(tldr.sh)<\/td>\ntldr grep \u5feb\u901f\u590d\u4e60<\/td>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5efa\u8bae\u505a\u6cd5： \u628a\u8868\u683c\u590d\u5236\u5230 Obsidian\/Notion，\u7ec3\u5b8c\u4e00\u6761\u5c31\u5728\u5bf9\u5e94\u884c\u6253 \u2705，\u4fdd\u8bc1 1 \u5c0f\u65f6\u5185\u5168\u90e8\u8d70\u4e00\u904d\u3002<\/p>\n

\n

\u5feb\u95ea\u7ec3\u4e60\u811a\u672c：\u6279\u91cf\u6539\u6587\u4ef6\u6743\u9650<\/h3>\n
  • \n

    \u5728 lab\/day1\/ \u5efa 5 \u4e2a\u6d4b\u8bd5\u6587\u4ef6：<\/p>\n

    mkdir<\/span> -p ~\/lab\/day1 &&<\/span> cd<\/span> ~\/lab\/day1
    \ntouch<\/span> {<\/span>a,b,c,d,e}<\/span>.log\n <\/li>\n

  • \n

    \u7528\u4e00\u884c Shell \u628a\u6240\u6709 .log \u6539\u4e3a 644：<\/p>\n

    for<\/span> f<\/span> in<\/span> *.log;<\/span> do<\/span> chmod<\/span> 644<\/span> "$f<\/span>"<\/span>;<\/span> done<\/span>\n <\/li>\n

  • \n

    \u9a8c\u8bc1：<\/p>\n

    ls<\/span> -l\n <\/li>\n

    \u8fd9\u4e00\u884c\u811a\u672c\u5c31\u662f\u4f60 Day 1 \u201c\u6210\u679c\u7269\u201d\u2014\u2014\u672a\u6765\u5199\u81ea\u52a8\u5316\u5de5\u5177\u65f6\u7ecf\u5e38\u7528\u5230\u3002<\/p>\n

    \n

    \u8fdb\u9636\u6311\u6218（\u9009\u505a）<\/h3>\n\n\u4efb\u52a1\u6280\u80fd\u70b9<\/tr>\n\n\n\n\n
    \u7f16\u5199 perm_audit.sh：\u9012\u5f52\u626b\u63cf\u76ee\u5f55，\u627e\u51fa\u975e 640\/750 \u7684\u6587\u4ef6\u5e76\u5bfc\u51fa CSV<\/td>\nfind + awk<\/td>\n<\/tr>\n
    \u7528 tar –exclude='*.log' \u6253\u5305\u5e76\u901a\u8fc7 scp -P 2222（\u81ea\u5b9a\u4e49\u7aef\u53e3）\u4e0a\u4f20<\/td>\ntar + scp<\/td>\n<\/tr>\n
    grep + \u6b63\u5219：\u5728 \/var\/log\/auth* \u4e2d\u63d0\u53d6\u6240\u6709\u767b\u5f55\u5931\u8d25 IP<\/td>\ngrep -oP '(?<=from )\\\\\\\\d+\\\\\\\\.\\\\\\\\d+\\\\\\\\.\\\\\\\\d+\\\\\\\\.\\\\\\\\d+'<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u5b8c\u6210\u4efb\u4e00\u53ef\u52a0\u6df1\u5bf9\u7ba1\u9053\u548c\u91cd\u5b9a\u5411\u7684\u7406\u89e3\u3002<\/p>\n

    \n

    \u5b66\u4e60\u8d44\u6e90\u901f\u94fe<\/h3>\n
  • DigitalOcean 50+ \u547d\u4ee4\u6982\u89c8（\u542b ls\/grep \u4f8b）(\u6570\u5b57\u6d77\u6d0b)<\/li>\n
  • tldr \u9879\u76ee\u4e3b\u9875（\u5b89\u88c5 & \u4f7f\u7528）(tldr.sh)<\/li>\n
  • chmod \u6570\u5b57\u6743\u9650\u8be6\u7ec6\u89e3\u91ca(theserverside.com)<\/li>\n
  • Red Hat \u201c10 \u79cd find \u7528\u6cd5\u201d(The world\u2019s open source leader)<\/li>\n
  • DigitalOcean grep \u6559\u7a0b（\u6b63\u5219\u793a\u4f8b）(\u6570\u5b57\u6d77\u6d0b)<\/li>\n
  • LabEx tar \u6307\u5357（\u6253\u5305\/\u538b\u7f29）(LabEx)<\/li>\n
  • LinuxBlog scp \u6559\u7a0b（\u672c\u5730\u2194\u8fdc\u7a0b）(LinuxBlog.io)<\/li>\n
  • GitHub tldr pages repo（\u66f4\u591a\u793a\u4f8b）(GitHub)<\/li>\n
  • Hostinger 60 \u547d\u4ee4\u7d22\u5f15（\u542b df\/du\/top）(Hostinger)<\/li>\n
  • PDF \u7248 tldr-book（\u79bb\u7ebf\u901f\u67e5）(tldr.sh)<\/li>\n
  • IBM chmod \u624b\u518c（\u5b98\u65b9\u8bed\u6cd5）(IBM – United States)<\/li>\n
  • GeeksforGeeks find \u547d\u4ee4\u6700\u65b0\u793a\u4f8b(GeeksforGeeks)<\/li>\n
  • GeeksforGeeks grep \u6587\u7ae0（\u8865\u5145\u6848\u4f8b）(GeeksforGeeks)<\/li>\n
    \n

    Linux \u547d\u4ee4\u5b9e\u64cd\u95ef\u5173\u9898（\u57fa\u4e8e GeeksforGeeks Cheat-Sheet）<\/h2>\n

    \u8bf4\u660e<\/p>\n

      \n
    • \u6bcf\u4e00\u5173\u90fd\u53ea\u7ed9 \u4efb\u52a1\u8981\u6c42 \u548c \u63d0\u793a\u547d\u4ee4，\u4e0d\u63d0\u4f9b\u5b8c\u6574\u7b54\u6848\u3002<\/li>\n
    • \u63a8\u8350\u5728\u4e00\u53f0\u4e34\u65f6 VM \u6216 Docker \u5bb9\u5668\u91cc\u52a8\u624b，\u907f\u514d\u8bef\u5220\u91cd\u8981\u6587\u4ef6\u3002<\/li>\n
    • \u5b8c\u6210\u540e\u53ef\u7528 history \u56de\u987e\u81ea\u5df1\u7684\u547d\u4ee4\u94fe，\u5e76\u5199\u4e0b\u5fc3\u5f97\u3002<\/li>\n<\/ul>\n
      \n

      \u76ee\u5f55<\/h3>\n
    • \u6587\u4ef6\u4e0e\u76ee\u5f55\u64cd\u4f5c<\/li>\n
    • \u6587\u4ef6\u6743\u9650<\/li>\n
    • \u538b\u7f29\u4e0e\u5f52\u6863<\/li>\n
    • \u8fdb\u7a0b\u7ba1\u7406<\/li>\n
    • \u7cfb\u7edf\u4fe1\u606f<\/li>\n
    • \u7f51\u7edc\u547d\u4ee4<\/li>\n
    • I\/O \u91cd\u5b9a\u5411<\/li>\n
    • \u73af\u5883\u53d8\u91cf<\/li>\n
    • \u7528\u6237\u7ba1\u7406<\/li>\n
    • \u7ec8\u7aef\u5feb\u6377\u952e Bonus<\/li>\n
      \n

      1\ufe0f\u20e3 \u6587\u4ef6\u4e0e\u76ee\u5f55\u64cd\u4f5c<\/h4>\n\n\u4efb\u52a1\u8981\u6c42\u63d0\u793a\u547d\u4ee4<\/tr>\n\n\n\n\n\n
      1.1<\/td>\n\u5728 $HOME \u4e0b\u65b0\u5efa\u540d\u4e3a gfg_lab \u7684\u76ee\u5f55，\u5e76\u4e00\u6b21\u6027\u521b\u5efa notes, scripts, logs \u4e09\u4e2a\u5b50\u76ee\u5f55<\/td>\nmkdir, -p<\/td>\n<\/tr>\n
      1.2<\/td>\n\u4e0b\u8f7d robots.txt \u4fdd\u5b58\u4e3a gfg_lab\/notes\/web.txt<\/td>\ncurl -o<\/td>\n<\/tr>\n
      1.3<\/td>\n\u628a web.txt \u590d\u5236\u4e3a web.bak，\u7136\u540e\u79fb\u52a8\u5230 logs \u76ee\u5f55<\/td>\ncp, mv<\/td>\n<\/tr>\n
      1.4<\/td>\n\u663e\u793a gfg_lab \u76ee\u5f55\u7ed3\u6784（\u6811\u72b6）\u5e76\u53ea\u770b\u4e24\u7ea7<\/td>\ntree -L 2 (\u82e5\u65e0 tree: sudo apt install tree)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      2\ufe0f\u20e3 \u6587\u4ef6\u6743\u9650<\/h4>\n\n\u4efb\u52a1\u8981\u6c42\u63d0\u793a\u547d\u4ee4<\/tr>\n\n\n\n\n\n
      2.1<\/td>\n\u5c06 scripts \u76ee\u5f55\u6743\u9650\u6539\u4e3a：u=rwx, g=rx, o=–<\/td>\nchmod 750<\/td>\n<\/tr>\n
      2.2<\/td>\n\u7ed9\u81ea\u5df1\u7684\u7528\u6237\u6dfb\u52a0\u5bf9 logs \u76ee\u5f55\u7684\u5199\u6743\u9650，\u4f46\u4e0d\u5f71\u54cd\u7ec4\/\u5176\u4ed6<\/td>\nchmod u+w<\/td>\n<\/tr>\n
      2.3<\/td>\n\u7528\u6570\u5b57\u6a21\u5f0f\u628a web.bak \u6743\u9650\u6539\u6210\u53ea\u8bfb（\u5bf9\u6240\u6709\u4eba）<\/td>\nchmod 444<\/td>\n<\/tr>\n
      2.4<\/td>\n\u67e5\u770b web.bak ACL \u5e76\u786e\u8ba4\u65e0\u989d\u5916\u6761\u76ee<\/td>\ngetfacl<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      3\ufe0f\u20e3 \u538b\u7f29\u4e0e\u5f52\u6863<\/h4>\n\n\u4efb\u52a1\u8981\u6c42\u63d0\u793a\u547d\u4ee4<\/tr>\n\n\n\n\n
      3.1<\/td>\n\u6253\u5305 gfg_lab \u4e3a gfg_lab.tar.gz<\/td>\ntar -czvf<\/td>\n<\/tr>\n
      3.2<\/td>\n\u663e\u793a\u5f52\u6863\u91cc\u6587\u4ef6\u5217\u8868\u4f46\u4e0d\u89e3\u538b<\/td>\ntar -tzf<\/td>\n<\/tr>\n
      3.3<\/td>\n\u53ea\u4ece\u5f52\u6863\u91cc\u89e3\u51fa notes\/web.txt \u5230 \/tmp<\/td>\ntar -xzf –strip-components<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      4\ufe0f\u20e3 \u8fdb\u7a0b\u7ba1\u7406<\/h4>\n\n\u4efb\u52a1\u8981\u6c42\u63d0\u793a\u547d\u4ee4<\/tr>\n\n\n\n\n
      4.1<\/td>\n\u4f7f\u7528 sleep 300 \u80cc\u666f\u8fdb\u7a0b，\u83b7\u53d6\u5176 PID<\/td>\n&, $!, jobs<\/td>\n<\/tr>\n
      4.2<\/td>\n\u901a\u8fc7 ps \u6216 pgrep \u627e\u5230\u8be5\u8fdb\u7a0b\u5e76\u7528 kill -SIGTERM \u7ed3\u675f<\/td>\nps aux, kill<\/td>\n<\/tr>\n
      4.3<\/td>\n\u89c2\u5bdf top \u4e2d\u5185\u5b58\u5360\u7528\u524d\u4e94\u7684\u8fdb\u7a0b<\/td>\ntop, M (\u6392\u5e8f)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      5\ufe0f\u20e3 \u7cfb\u7edf\u4fe1\u606f<\/h4>\n\n\u4efb\u52a1\u8981\u6c42\u63d0\u793a\u547d\u4ee4<\/tr>\n\n\n\n\n
      5.1<\/td>\n\u67e5\u770b\u5f53\u524d\u53d1\u884c\u7248\u548c\u5185\u6838\u7248\u672c<\/td>\ncat \/etc\/os-release, uname -r<\/td>\n<\/tr>\n
      5.2<\/td>\n\u7edf\u8ba1\u7cfb\u7edf total\/used\/free \u5185\u5b58<\/td>\nfree -h<\/td>\n<\/tr>\n
      5.3<\/td>\n\u6253\u5370\u767b\u5f55\u8fc7\u6b64\u673a\u5668\u7684\u6700\u8fd1 5 \u4f4d\u7528\u6237\u8bb0\u5f55<\/td>\nlast -n 5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      6\ufe0f\u20e3 \u7f51\u7edc\u547d\u4ee4<\/h4>\n\n\u4efb\u52a1\u8981\u6c42\u63d0\u793a\u547d\u4ee4<\/tr>\n\n\n\n\n
      6.1<\/td>\n\u663e\u793a\u672c\u673a\u6240\u6709\u7f51\u7edc\u63a5\u53e3\u53ca IP \u5730\u5740<\/td>\nip addr<\/td>\n<\/tr>\n
      6.2<\/td>\n\u7528 ping -c 4 \u6d4b\u8bd5 geeksforgeeks.org \u5ef6\u8fdf<\/td>\nping<\/td>\n<\/tr>\n
      6.3<\/td>\n\u8c03\u7528 curl -I \u6293\u53d6 https:\/\/geeksforgeeks.org \u54cd\u5e94\u5934<\/td>\ncurl -I<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      7\ufe0f\u20e3 I\/O \u91cd\u5b9a\u5411<\/h4>\n\n\u4efb\u52a1\u8981\u6c42\u63d0\u793a\u547d\u4ee4<\/tr>\n\n\n\n\n
      7.1<\/td>\n\u5c06 ls -l \/etc \u8f93\u51fa\u4fdd\u5b58\u5230 gfg_lab\/list.txt<\/td>\n><\/td>\n<\/tr>\n
      7.2<\/td>\n\u628a date \u547d\u4ee4\u7ed3\u679c\u8ffd\u52a0\u5230\u540c\u4e00\u6587\u4ef6<\/td>\n>><\/td>\n<\/tr>\n
      7.3<\/td>\n\u4f7f\u7528\u7ba1\u9053\u7edf\u8ba1 list.txt \u4e2d\u5305\u542b\u5b57\u7b26\u4e32 "conf" \u7684\u884c\u6570<\/td>\ngrep -c \u6216 `grep<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      8\ufe0f\u20e3 \u73af\u5883\u53d8\u91cf<\/h4>\n\n\u4efb\u52a1\u8981\u6c42\u63d0\u793a\u547d\u4ee4<\/tr>\n\n\n\n
      8.1<\/td>\n\u4e34\u65f6\u8bbe\u7f6e\u53d8\u91cf LAB=GFG \u5e76\u6253\u5370\u51fa\u6765<\/td>\nexport LAB=GFG, echo $LAB<\/td>\n<\/tr>\n
      8.2<\/td>\n\u5c06 $HOME\/scripts \u6c38\u4e45\u52a0\u5165 PATH（\u5bf9\u5f53\u524d\u7528\u6237）<\/td>\n\u7f16\u8f91 ~\/.bashrc + source<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      9\ufe0f\u20e3 \u7528\u6237\u7ba1\u7406<\/h4>\n\n\u4efb\u52a1\u8981\u6c42\u63d0\u793a\u547d\u4ee4<\/tr>\n\n\n\n\n
      9.1<\/td>\n\u521b\u5efa\u7528\u6237 learner（\u65e0 sudo）<\/td>\nsudo adduser learner<\/td>\n<\/tr>\n
      9.2<\/td>\n\u7ed9 learner \u6dfb\u52a0\u5230 docker \u7ec4<\/td>\nsudo usermod -aG docker learner<\/td>\n<\/tr>\n
      9.3<\/td>\n\u4f7f\u7528 su – learner \u5207\u6362\u9a8c\u8bc1<\/td>\nsu \/ whoami<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
      \n

      🔟 Bonus：\u7ec8\u7aef\u5feb\u6377\u952e<\/h4>\n
    • Ctrl + A \/ E：\u5149\u6807\u8df3\u5230\u884c\u9996 \/ \u884c\u5c3e<\/li>\n
    • Ctrl + R：\u5386\u53f2\u547d\u4ee4\u9006\u5411\u641c\u7d22<\/li>\n
    • Ctrl + Z：\u6302\u8d77\u5f53\u524d\u524d\u53f0\u4efb\u52a1<\/li>\n
    • !!：\u91cd\u590d\u6267\u884c\u4e0a\u4e00\u6761\u547d\u4ee4<\/li>\n
    • Alt + .：\u63d2\u5165\u4e0a\u4e00\u6761\u547d\u4ee4\u7684\u6700\u540e\u4e00\u4e2a\u53c2\u6570<\/li>\n

      \u7ec3\u4e60：\u7528 cat \u67e5\u770b\u4e00\u4e2a\u5927\u6587\u4ef6，\u8bd5\u8bd5 Ctrl + C \u7ec8\u6b62；\u518d\u7528 less+Shift + G \u8df3\u5230\u6587\u4ef6\u7ed3\u5c3e\u3002<\/p>\n

      \n

      \u5982\u4f55\u68c0\u9a8c\u81ea\u5df1\u505a\u5bf9？<\/h3>\n
        \n
      • \u6587\u4ef6\/\u76ee\u5f55：tree gfg_lab, ls -l<\/li>\n
      • \u6743\u9650：stat -c "%A %n" file<\/li>\n
      • \u8fdb\u7a0b：ps -p <PID> \u5e94\u8be5\u67e5\u4e0d\u5230\u88ab\u6740\u6b7b\u7684\u8fdb\u7a0b<\/li>\n
      • PATH：\u91cd\u5f00\u7ec8\u7aef echo $PATH \u5e94\u542b \/scripts \u8def\u5f84<\/li>\n
      • \u7528\u6237：id learner \u663e\u793a\u6240\u5c5e\u7ec4<\/li>\n<\/ul>\n
        \n

        💡 \u5b8c\u6210\u5168\u90e8\u4efb\u52a1\u540e，\u56de\u987e\u4f60\u7684 history，\u6311 3 \u6761\u6700\u5e38\u7528\u7684\u547d\u4ee4\u5199\u4e0b\u201c\u4f7f\u7528\u573a\u666f＋\u6613\u9519\u70b9\u201d\u5907\u5fd8，\u5c31\u7b97\u771f\u6b63\u638c\u63e1\u5566！💡<\/p>\n","protected":false},"excerpt":{"rendered":"

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