{"id":22,"date":"2024-07-02T19:51:31","date_gmt":"2024-07-02T11:51:31","guid":{"rendered":"http:\/\/114.55.108.251\/?p=22"},"modified":"2025-03-04T09:46:49","modified_gmt":"2025-03-04T01:46:49","slug":"linux%e7%b3%bb%e7%bb%9f%e7%bc%96%e7%a8%8b-day1%ef%bc%88%e5%91%bd%e4%bb%a4%e5%9f%ba%e7%a1%80%ef%bc%8c%e8%bd%af%e4%bb%b6%e5%ae%89%e8%a3%85%e4%b8%8e%e5%8d%b8%e8%bd%bd%ef%bc%89","status":"publish","type":"post","link":"https:\/\/guapicoding.com\/?p=22","title":{"rendered":"Linux\u7cfb\u7edf\u7f16\u7a0b Part1\uff08\u547d\u4ee4\u57fa\u7840\u3001\u8f6f\u4ef6\u5b89\u88c5\u4e0e\u5378\u8f7d\uff09"},"content":{"rendered":"\n
\n
\n

Linux\u76ee\u5f55\u7ed3\u6784\uff1a<\/h3>\n\n\n\n
\"\"<\/div><\/figure>\n\n\n\n

Linux\u7cfb\u7edf\u76ee\u5f55\uff1a<\/h3>\n\n\n\n
    \n
  • bin\uff1a\u5b58\u653e\u4e8c\u8fdb\u5236\u53ef\u6267\u884c\u6587\u4ef6 <\/li>\n\n\n\n
  • boot\uff1a\u5b58\u653e\u5f00\u673a\u542f\u52a8\u7a0b\u5e8f<\/li>\n\n\n\n
  • dev\uff1a\u5b58\u653e\u8bbe\u5907\u6587\u4ef6\uff1a \u5b57\u7b26\u8bbe\u5907\u3001\u5757\u8bbe\u5907<\/li>\n\n\n\n
  • home\uff1a\u5b58\u653e\u666e\u901a\u7528\u6237<\/li>\n\n\n\n
  • etc\uff1a\u7528\u6237\u4fe1\u606f\u548c\u7cfb\u7edf\u914d\u7f6e\u6587\u4ef6 passwd\u3001group<\/li>\n\n\n\n
  • lib\uff1a\u5e93\u6587\u4ef6\uff1alibc.so.6<\/li>\n\n\n\n
  • root\uff1a\u7ba1\u7406\u5458\u5bbf\u4e3b\u76ee\u5f55 <\/li>\n\n\n\n
  • usr\uff1a\u7528\u6237\u7b2c\u4e09\u65b9\u5e94\u7528<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n

    Linux\u7cfb\u7edf\u6587\u4ef6\u7c7b\u578b\uff1a 7\u79cd\uff08\u52a0\u4e0a\u672a\u77e5\u6587\u4ef6\u5171\u516b\u79cd\uff09<\/h3>\n\n\n\n
      \n
    • \u666e\u901a\u6587\u4ef6\uff1a-<\/li>\n\n\n\n
    • \u76ee\u5f55\u6587\u4ef6\uff1ad<\/li>\n\n\n\n
    • \u5b57\u7b26\u8bbe\u5907\u6587\u4ef6\uff1ac<\/li>\n\n\n\n
    • \u5757\u8bbe\u5907\u6587\u4ef6\uff1ab<\/li>\n\n\n\n
    • \u8f6f\u94fe\u63a5\uff1al<\/li>\n\n\n\n
    • \u7ba1\u9053\u6587\u4ef6\uff1ap<\/li>\n\n\n\n
    • \u5957\u63a5\u5b57\uff1as<\/li>\n\n\n\n
    • \u672a\u77e5\u6587\u4ef6 <\/li>\n<\/ul>\n\n\n\n

      \u53ea\u6709\u666e\u901a\u6587\u4ef6\u3001\u76ee\u5f55\u3001\u8f6f\u94fe\u63a5\u662f\u771f\u6b63\u50a8\u5b58\u5728\u78c1\u76d8\u4e2d\u7684\uff0c\u5176\u5b83\u7c7b\u578b\u90fd\u662f\u4f2a\u6587\u4ef6<\/strong><\/p>\n\n\n\n

      \n\n\n\n

      \u7ec8\u7aef\u5feb\u6377\u952e\uff1a<\/h3>\n\n\n\n
        \n
      • ctrl + a\uff1a\u79fb\u52a8\u5230\u884c\u9996<\/li>\n\n\n\n
      • ctrl + e\uff1a\u79fb\u52a8\u5230\u884c\u5c3e<\/li>\n\n\n\n
      • ctrl + u\uff1a\u6e05\u7a7a\u8f93\u5165<\/li>\n<\/ul>\n\n\n\n

        \u8f6f\u786c\u94fe\u63a5<\/h3>\n\n\n\n

        \u8f6f\u94fe\u63a5<\/strong>\uff1a\u76f8\u5f53\u4e8eWindows\u91cc\u7684\u5feb\u6377\u65b9\u5f0f\uff08\u4e3a\u4fdd\u8bc1\u8f6f\u94fe\u63a5\u53ef\u4ee5\u4efb\u610f\u79fb\u52a8\uff0c\u521b\u5efa\u65f6\u52a1\u5fc5\u5bf9\u6e90\u6587\u4ef6\u4f7f\u7528\u7edd\u5bf9\u8def\u5f84\uff09\uff0c\u8bed\u6cd5\uff1aln -s \u53c2\u65701 \u53c2\u65702<\/code>\uff08\u53c2\u65701\uff1a\u88ab\u94fe\u63a5\u7684\uff0c\u53c2\u65702\uff1a\u8981\u94fe\u63a5\u53bb\u7684\u5730\u65b9\uff09\u3002<\/p>\n\n\n\n

        \u786c\u94fe\u63a5<\/strong>\uff1a\u64cd\u4f5c\u7cfb\u7edf\u7ed9\u6bcf\u4e00\u4e2a\u6587\u4ef6\u8d4b\u4e88\u552f\u4e00\u7684 inode\uff0c\u521b\u5efa\u7684\u786c\u94fe\u63a5\u4e0e\u539f\u6587\u4ef6\u62e5\u6709\u76f8\u540c\u7684inode\uff0c\u5e76\u4e14\u8fd9\u4e9b\u6587\u4ef6\u5f7c\u6b64\u540c\u6b65\u3002\u5f53\u5220\u9664\u67d0\u4e2a\u6587\u4ef6\uff08\u786c\u94fe\u63a5\uff09\u65f6\uff0c\u786c\u94fe\u63a5\u8ba1\u6570\u4f1a\u51cf\u4e00\uff0c\u76f4\u5230\u51cf\u52300\uff0c\u6587\u4ef6\u624d\u771f\u6b63\u88ab\u5220\u9664\uff0c\u8fd9\u65f6inode\u4e5f\u88ab\u91ca\u653e\u4e86\u3002\u8bed\u6cd5\uff1aln \u53c2\u65701 \u53c2\u65702<\/code>\uff08\u53c2\u65701\uff1a\u88ab\u94fe\u63a5\u7684\uff0c\u53c2\u65702\uff1a\u8981\u94fe\u63a5\u53bb\u7684\u5730\u65b9\uff09\u3002<\/p>\n\n\n\n

        \u64cd\u4f5c\u7528\u6237\uff08\u7ec4\uff09<\/h3>\n\n\n\n

        \u521b\u5efa\u7528\u6237\uff1asudo adduser<\/code> \u7528\u6237\u540d<\/p>\n\n\n\n

        \u4fee\u6539\u7528\u6237\u5bc6\u7801\uff1asudo passwd<\/code> \u65b0\u7528\u6237\u540d<\/p>\n\n\n\n

        \u521b\u5efa\u7528\u6237\u7ec4\uff1asudo addgroup<\/code> \u65b0\u7ec4\u540d<\/p>\n\n\n\n

        \u4fee\u6539\u6587\u4ef6\u6240\u5c5e\u7528\u6237\uff1asudo chown<\/code> \u65b0\u7528\u6237\u540d \u5f85\u4fee\u6539\u6587\u4ef6<\/p>\n\n\n\n

        \u4fee\u6539\u6587\u4ef6\u6240\u5c5e\u7528\u6237\u7ec4\uff1asudo chgrp<\/code> \u65b0\u7528\u6237\u7ec4\u540d \u5f85\u4fee\u6539\u6587\u4ef6<\/p>\n\n\n\n

        \u5220\u9664\u7528\u6237\uff1asudo deluser<\/code> \u7528\u6237\u540d<\/p>\n\n\n\n

        \u5220\u9664\u7528\u6237\u7ec4\uff1asudo delgroup<\/code> \u7528\u6237\u7ec4\u540d<\/p>\n\n\n\n

        \u4f7f\u7528chown \u4e00\u6b21\u4fee\u6539\u6240\u6709\u8005\u548c\u6240\u5c5e\u7ec4\uff1asudo chown<\/code> \u6240\u6709\u8005\uff1a\u6240\u5c5e\u7ec4 \u5f85\u64cd\u4f5c\u6587\u4ef6<\/p>\n\n\n\n

        find\u547d\u4ee4\uff1a\u627e\u6587\u4ef6<\/h3>\n\n\n\n
          \n
        • -type \u6309\u6587\u4ef6\u7c7b\u578b\u641c\u7d22 d\/p\/s\/c\/b\/l\/ f:\u6587\u4ef6<\/li>\n\n\n\n
        • -name \u6309\u6587\u4ef6\u540d\u641c\u7d22\uff0c\u4f8b\u5982find .\/ -name \"*file*.jpg\"<\/code><\/li>\n\n\n\n
        • -maxdepth \u6307\u5b9a\u641c\u7d22\u6df1\u5ea6\uff08\u5fc5\u987b\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u9009\u9879\u51fa\u73b0\uff09\uff0c\u4f8b\u5982find .\/ -maxdepth 1 -name \"*file*.jpg\"<\/code><\/li>\n\n\n\n
        • -size \u6309\u6587\u4ef6\u5927\u5c0f\u641c\u7d22. \u5355\u4f4d\uff1ak\u3001M\u3001G\uff0c\u4f8b\u5982find \/home\/itcast -size +20M -size -50M<\/code><\/li>\n\n\n\n
        • -atime\u3001mtime\u3001ctime \u5929 amin\u3001mmin\u3001cmin \u5206\u949f <\/li>\n\n\n\n
        • -exec\uff1a\u5c06find\u641c\u7d22\u7684\u7ed3\u679c\u96c6\u6267\u884c\u67d0\u4e00\u6307\u5b9a\u547d\u4ee4\uff0c\u4f8b\u5982find \/usr\/ -name '*tmp*' -exec ls -ld {} \\;<\/code><\/li>\n\n\n\n
        • -ok: \u4ee5\u4ea4\u4e92\u5f0f\u7684\u65b9\u5f0f \u5c06find\u641c\u7d22\u7684\u7ed3\u679c\u96c6\u6267\u884c\u67d0\u4e00\u6307\u5b9a\u547d\u4ee4<\/li>\n\n\n\n
        • -xargs\uff1a\u5c06find\u641c\u7d22\u7684\u7ed3\u679c\u96c6\u6267\u884c\u67d0\u4e00\u6307\u5b9a\u547d\u4ee4\uff0c\u5f53\u7ed3\u679c\u96c6\u6570\u91cf\u8fc7\u5927\u65f6\uff0c\u53ef\u4ee5\u5206\u7247\u6620\u5c04\u3002\u4f8b\u5982find \/usr\/ -name '*tmp*' | xargs ls -ld<\/code><\/li>\n\n\n\n
        • -print0\uff1afind \/usr\/ -name 'tmp<\/em>' -print0 | xargs -0 ls -ld<\/code>
          <\/li>\n<\/ul>\n\n\n\n

          \u8f6f\u4ef6\u7684\u5b89\u88c5\u5378\u8f7d<\/h3>\n\n\n\n

          CentOS<\/strong>\uff1ayum [install remove search] [-y]<\/code> \u8f6f\u4ef6\u540d\u79f0<\/p>\n\n\n\n

          Ubuntu<\/strong>\uff1aapt [install remove search] [-y]<\/code> \u8f6f\u4ef6\u540d\u79f0<\/p>\n\n\n\n

            \n
          • install \u5b89\u88c5<\/li>\n\n\n\n
          • remove \u5378\u8f7d<\/li>\n\n\n\n
          • search \u641c\u7d22<\/li>\n\n\n\n
          • -y\uff0c\u81ea\u52a8\u786e\u8ba4<\/li>\n<\/ul>\n\n\n\n

            \u5b89\u88c5\u524d\u6700\u597d\u5148\u66f4\u65b0\u8f6f\u4ef6\u8d44\u6e90\u5230\u672c\u5730\uff1asudo yum\/apt update<\/code><\/p>\n\n\n\n

            \"\"<\/div><\/figure>\n\n\n\n

            \u8f6f\u4ef6\u5305\uff08deb\u5305\uff09<\/strong>\u5b89\u88c5\uff1a\u4ee5Ubuntu\u4e3e\u4f8b<\/p>\n\n\n\n

              \n
            • \u5b89\u88c5deb\u8f6f\u4ef6\u5305\uff1asudo dpkg -i xxx.deb<\/code><\/li>\n\n\n\n
            • \u5220\u9664deb\u8f6f\u4ef6\u5305\uff1asudo dpkg -r xxx.deb<\/code><\/li>\n\n\n\n
            • \u8fde\u540c\u914d\u7f6e\u6587\u4ef6\u4e00\u8d77\u5220\u9664\uff1asudo dpkg -r --purge xxx.deb<\/code><\/li>\n<\/ul>\n\n\n\n

              \u6e90\u7801\u5b89\u88c5\uff1a<\/strong>\u91cd\u70b9\u9605\u8bfbreadme<\/p>\n\n\n\n

                \n
              1. \u89e3\u538b\u7f29\u6e90\u4ee3\u7801\u5305<\/li>\n\n\n\n
              2. cd dir<\/code><\/li>\n\n\n\n
              3. .\/configure<\/code>\uff08\u68c0\u6d4b\u6587\u4ef6\u662f\u5426\u7f3a\u5931\uff0c\u521b\u5efaMakefile\uff0c\u68c0\u6d4b\u7f16\u8bd1\u73af\u5883\uff09<\/li>\n\n\n\n
              4. make<\/code>\uff08\u7f16\u8bd1\u6e90\u7801\uff0c\u751f\u6210\u5e93\u548c\u53ef\u6267\u884c\u7a0b\u5e8f\uff09<\/li>\n\n\n\n
              5. sudo make install<\/code>\uff08\u628a\u5e93\u548c\u53ef\u6267\u884c\u7a0b\u5e8f\u5b89\u88c5\u5230\u7cfb\u7edf\u8def\u5f84\u4e0b\uff09<\/li>\n\n\n\n
              6. sudo make distclean<\/code>\uff08\u5220\u9664\u548c\u5378\u8f7d\u8f6f\u4ef6\uff09<\/li>\n<\/ol>\n\n\n\n

                systemctl<\/h3>\n\n\n\n

                \u529f\u80fd\uff1a\u63a7\u5236\u7cfb\u7edf\u670d\u52a1\u7684\u542f\u52a8\u5173\u95ed\u7b49<\/p>\n\n\n\n

                \u8bed\u6cd5\uff1asystemctl start | stop | restart | disable | enable | status \u670d\u52a1\u540d<\/code><\/p>\n\n\n\n

                  \n
                • start\uff0c\u542f\u52a8<\/li>\n\n\n\n
                • stop\uff0c\u505c\u6b62<\/li>\n\n\n\n
                • status\uff0c\u67e5\u770b\u72b6\u6001<\/li>\n\n\n\n
                • disable\uff0c\u5173\u95ed\u5f00\u673a\u81ea\u542f<\/li>\n\n\n\n
                • enable\uff0c\u5f00\u542f\u5f00\u673a\u81ea\u542f<\/li>\n\n\n\n
                • restart\uff0c\u91cd\u542f<\/li>\n<\/ul>\n\n\n\n

                  \u538b\u7f29\/\u89e3\u538b<\/h2>\n<\/blockquote>\n\n\n\n

                  tar<\/em> <\/em>:<\/strong><\/h3>\n\n\n\n
                  \n

                  Linux\u7cfb\u7edf\u5e38\u7528\u6709\u4e24\u79cd\u538b\u7f29\u683c\u5f0f\uff0c\u540e\u7f00\u540d\u5206\u522b\u662f\uff1a<\/p>\n\n\n\n

                    \n
                  • .tar\uff1a\u79f0\u4e3atarball\u5f52\u6863\u6587\u4ef6\uff0c\u5373\u7b80\u5355\u5730\u5c06\u6587\u4ef6\u7ec4\u88c5\u5230\u4e00\u4e2a.tar\u7684\u6587\u4ef6\u5185\uff0c\u5e76\u6ca1\u6709\u592a\u591a\u6587\u4ef6\u4f53\u79ef\u7684\u51cf\u5c11\uff0c\u4ec5\u4ec5\u662f\u7b80\u5355\u7684\u5c01\u88c5<\/strong><\/li>\n\n\n\n
                  • .gz\uff1a\u4e5f\u5e38\u89c1\u4e3a.tar.gz\uff0cgzip\u683c\u5f0f\u538b\u7f29\u6587\u4ef6\uff0c\u5373\u7528gzip\u538b\u7f29<\/strong>\u7b97\u6cd5\u5c06\u6587\u4ef6\u538b\u7f29\u5230\u4e00\u4e2a\u6587\u4ef6\u5185\uff0c\u53ef\u4ee5\u6781\u5927\u7684\u51cf\u5c11\u538b\u7f29\u540e\u7684\u4f53\u79ef<\/li>\n<\/ul>\n\n\n\n

                    \u9488\u5bf9\u8fd9\u4e24\u79cd\u683c\u5f0f\uff0c\u4f7f\u7528tar\u547d\u4ee4\u5747\u53ef\u4ee5\u8fdb\u884c\u538b\u7f29\u548c\u89e3\u538b\u7684\u64cd\u4f5c<\/p>\n\n\n\n

                    \u8bed\u6cd5\uff1atar [-c -v -x -f -z -C] <\/code>\u53c2\u65701 \u53c2\u65702 \u00b7\u00b7\u00b7 \u53c2\u6570n<\/p>\n\n\n\n

                      \n
                    • -c\uff1a\u521b\u5efa\u538b\u7f29\u6587\u4ef6\uff0c\u7528\u4e8e\u538b\u7f29\u6a21\u5f0f<\/li>\n\n\n\n
                    • -v\uff1a\u663e\u793a\u538b\u7f29\u3001\u89e3\u538b\u8fc7\u7a0b\uff0c\u7528\u4e8e\u67e5\u770b\u8fdb\u5ea6<\/li>\n\n\n\n
                    • -x\uff1a\u89e3\u538b\u6a21\u5f0f<\/li>\n\n\n\n
                    • -f\uff1a\u8981\u538b\u7f29\u6216\u8005\u89e3\u538b\u7684\u6587\u4ef6\uff08-f\u9009\u9879\u5fc5\u987b\u5904\u4e8e\u9009\u9879\u4f4d\u7f6e\u7684\u6700\u540e\u4e00\u4e2a\uff09<\/li>\n\n\n\n
                    • -z\uff1agzip\u6a21\u5f0f\uff0c\u4e0d\u4f7f\u7528-z\u5c31\u662f\u666e\u901a\u7684tarball\u6a21\u5f0f<\/li>\n\n\n\n
                    • -C\uff1a\u9009\u62e9\u89e3\u538b\u7684\u76ee\u7684\u5730\uff0c\u7528\u4e8e\u89e3\u538b\u6a21\u5f0f<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n

                      \u793a\u4f8b\uff1atar\u547d\u4ee4\u7684\u5e38\u7528\u7ec4\u5408zcvf<\/p>\n\n\n\n

                        \n
                      • tar -zcvf test.tar.gz 1.txt 3.txt<\/code>\uff08\u5c061.txt\u548c3.txt\u6587\u4ef6\u538b\u7f29\u5230test.tar.gz\u4e2d\uff0c\u4f7f\u7528gzip\u6a21\u5f0f\uff09<\/li>\n\n\n\n
                      • tar -zxvf test.tar.gz -C \/home\/guapi<\/code>\uff08\u4ee5gzip\u6a21\u5f0f\u89e3\u538btest.tar.gz\u81f3\u6307\u5b9a\u76ee\u5f55\uff09<\/li>\n<\/ul>\n\n\n\n

                        rar :<\/em><\/h3>\n\n\n\n

                        \u538b\u7f29\uff1arar a -r \u538b\u7f29\u5305\u540d \u538b\u7f29\u6750\u6599 <\/code>\uff08-r\u6307\u76ee\u5f55\u9012\u5f52\u538b\u7f29\uff09<\/p>\n\n\n\n

                        \u89e3\u538b\uff1aunrar x \u538b\u7f29\u5305\u540d <\/code><\/p>\n\n\n\n

                        zip<\/em> :<\/h3>\n\n\n\n

                        \u538b\u7f29\uff1azip -r \u538b\u7f29\u5305\u540d \u538b\u7f29\u6750\u6599 <\/code><\/p>\n\n\n\n

                        \u89e3\u538b\uff1aunzip \u538b\u7f29\u5305\u540d <\/code><\/p>\n\n\n\n

                        \n\n\n\n

                        \u7ba1\u9053\u7b26 |<\/h3>\n\n\n\n

                        \u5199\u6cd5\uff1a|<\/code><\/p>\n\n\n\n

                        \u529f\u80fd\uff1a\u5c06\u7b26\u53f7\u5de6\u8fb9\u7684\u7ed3\u679c\uff0c\u4f5c\u4e3a\u7b26\u53f7\u53f3\u8fb9\u7684\u8f93\u5165<\/p>\n\n\n\n

                        \u793a\u4f8b\uff1a<\/p>\n\n\n\n

                        cat a.txt | grep itheima<\/code>\uff0c\u5c06cat a.txt\u7684\u7ed3\u679c\uff0c\u4f5c\u4e3agrep\u547d\u4ee4\u7684\u8f93\u5165\uff0c\u7528\u6765\u8fc7\u6ee4itheima<\/code>\u5173\u952e\u5b57<\/p>\n\n\n\n

                        \u53ef\u4ee5\u652f\u6301\u5d4c\u5957\uff1a<\/p>\n\n\n\n

                        cat a.txt | grep itheima | grep itcast<\/code><\/p>\n\n\n\n

                        \u53cd\u5f15\u53f7 `<\/h3>\n\n\n\n

                        \u529f\u80fd\uff1a\u88ab\u4e24\u4e2a\u53cd\u5f15\u53f7\u5305\u56f4\u7684\u5185\u5bb9\uff0c\u4f1a\u4f5c\u4e3a\u547d\u4ee4\u6267\u884c<\/p>\n\n\n\n

                        \u793a\u4f8b\uff1a<\/p>\n\n\n\n

                        echo `pwd`\uff0c\u4f1a\u8f93\u51fa\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55<\/p>\n\n\n\n

                        \u91cd\u5b9a\u5411\u7b26<\/h3>\n\n\n\n

                        \u529f\u80fd\uff1a\u5c06\u7b26\u53f7\u5de6\u8fb9\u7684\u7ed3\u679c\uff0c\u8f93\u51fa\u5230\u53f3\u8fb9\u6307\u5b9a\u7684\u6587\u4ef6\u4e2d\u53bb<\/p>\n\n\n\n

                          \n
                        • ><\/code>\uff0c\u8868\u793a\u8986\u76d6\u8f93\u51fa<\/li>\n\n\n\n
                        • >><\/code>\uff0c\u8868\u793a\u8ffd\u52a0\u8f93\u51fa<\/li>\n<\/ul>\n\n\n\n

                          \u73af\u5883\u53d8\u91cf<\/h3>\n\n\n\n
                            \n
                          • \u4e34\u65f6\u8bbe\u7f6e\uff1aexport \u53d8\u91cf\u540d=\u53d8\u91cf\u503c<\/li>\n\n\n\n
                          • \u6c38\u4e45\u8bbe\u7f6e\uff1a\n
                              \n
                            • \u9488\u5bf9\u7528\u6237\uff0c\u8bbe\u7f6e\u7528\u6237HOME\u76ee\u5f55\u5185\uff1a.bashrc<\/code>\u6587\u4ef6<\/li>\n\n\n\n
                            • \u9488\u5bf9\u5168\u5c40\uff0c\u8bbe\u7f6e\/etc\/profile<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n

                              $\u7b26\u53f7<\/h3>\n\n\n\n

                              \u53ef\u4ee5\u53d6\u51fa\u6307\u5b9a\u7684\u73af\u5883\u53d8\u91cf\u7684\u503c<\/p>\n\n\n\n

                              \u8bed\u6cd5\uff1a$\u53d8\u91cf\u540d<\/code><\/p>\n\n\n\n

                              \u793a\u4f8b\uff1aecho $PATH<\/code>\uff0c\u8f93\u51faPATH\u73af\u5883\u53d8\u91cf\u7684\u503c<\/p>\n\n\n\n

                              echo ${PATH}ABC<\/code>\uff0c\u8f93\u51faPATH\u73af\u5883\u53d8\u91cf\u7684\u503c\u4ee5\u53caABC<\/p>\n\n\n\n

                              \u5982\u679c\u53d8\u91cf\u540d\u548c\u5176\u5b83\u5185\u5bb9\u6df7\u6dc6\u5728\u4e00\u8d77\uff0c\u53ef\u4ee5\u4f7f\u7528${}<\/p>\n\n\n\n

                              \n\n\n\n

                              ps\uff1a\u56de\u987e\u65b9\u6cd5 = \u535a\u5ba2 + \u6bcf\u4e00\u5929\u590d\u4e60\u89c6\u9891\uff08\u5185\u542b\u601d\u7ef4\u5bfc\u56fe\uff09<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

                              tar : \u793a\u4f8b\uff1atar\u547d\u4ee4\u7684\u5e38\u7528\u7ec4\u5408zcvf rar : \u538b\u7f29\uff1arar a -r \u538b\u7f29\u5305\u540d \u538b\u7f29\u6750\u6599 \uff08-r […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,10],"tags":[],"class_list":["post-22","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts\/22","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=22"}],"version-history":[{"count":16,"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts\/22\/revisions"}],"predecessor-version":[{"id":466,"href":"https:\/\/guapicoding.com\/index.php?rest_route=\/wp\/v2\/posts\/22\/revisions\/466"}],"wp:attachment":[{"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=22"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=22"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/guapicoding.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=22"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}