{"id":93218,"date":"2026-08-12T08:17:07","date_gmt":"2026-08-12T00:17:07","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/93218.html"},"modified":"2026-08-12T08:17:07","modified_gmt":"2026-08-12T00:17:07","slug":"linux-%e5%85%a5%e9%97%a8%e5%9f%ba%e7%a1%80%e5%91%bd%e4%bb%a42-%e5%b0%8f%e7%99%bd%e9%9b%b6%e5%9f%ba%e7%a1%80%e5%bf%ab%e9%80%9f%e4%b8%8a%e6%89%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/93218.html","title":{"rendered":"Linux \u5165\u95e8\u57fa\u7840\u547d\u4ee4(2) |\u5c0f\u767d\u96f6\u57fa\u7840\u5feb\u901f\u4e0a\u624b"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>Linux \u547d\u4ee4<\/li>\n<li>\n<ul>\n<li>touch \u547d\u4ee4<\/li>\n<li>tree \u547d\u4ee4<\/li>\n<li>cp \u547d\u4ee4<\/li>\n<li>\n<ul>\n<li>\u590d\u5236\u6587\u4ef6<\/li>\n<li>\u590d\u5236\u76ee\u5f55<\/li>\n<\/ul>\n<\/li>\n<li>mv \u547d\u4ee4<\/li>\n<li>rm \u547d\u4ee4<\/li>\n<\/ul>\n<\/li>\n<li>shell \u6269\u5c55\u5339\u914d\u6587\u4ef6<\/li>\n<li>\n<ul>\n<li>*<\/li>\n<li>?<\/li>\n<li>[ ]<\/li>\n<li>\u96c6\u5408<\/li>\n<li>~<\/li>\n<li>{ }<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>Linux \u547d\u4ee4<\/h2>\n<h3>touch \u547d\u4ee4<\/h3>\n<li>\n<p>\u521b\u5efa\u6587\u4ef6<\/p>\n<\/li>\n<li>\n<p>\u4fee\u6539\u6587\u4ef6\/\u76ee\u5f55\u7684\u65f6\u95f4\u6233&#xff08;\u8bbf\u95ee\u65f6\u95f4 atime\u3001\u4fee\u6539\u65f6\u95f4 mtime\u3001\u66f4\u6539\u65f6\u95f4 ctime&#xff09;<\/p>\n<\/li>\n<p><span class=\"token function\">touch<\/span> <span class=\"token punctuation\">[<\/span>\u9009\u9879<span class=\"token punctuation\">]<\/span> \u6587\u4ef6\u540d\/\u8def\u5f84<\/p>\n<p><span class=\"token comment\"># \u4e00\u6b21\u6027\u521b\u5efa\u591a\u4e2a\u6587\u4ef6<\/span><br \/>\n<span class=\"token function\">touch<\/span> a.txt b.log c.sh<\/p>\n<p><span class=\"token comment\"># \u6279\u91cf\u521b\u5efa 1~10 \u6587\u4ef6<\/span><br \/>\n<span class=\"token function\">touch<\/span> file<span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">..<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">}<\/span>.txt<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260812001705-6a7bbb81a1db0.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/> <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260812001705-6a7bbb81b2b3e.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5f53\u6587\u4ef6\u5b58\u5728\u65f6&#xff0c;touch\u4e0d\u4f1a\u4fee\u6539\u5185\u5bb9&#xff0c;\u53ea\u5237\u65b0\u65f6\u95f4&#xff1a;<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260812001705-6a7bbb81c03b3.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>tree \u547d\u4ee4<\/h3>\n<p>\u9700\u8981\u5148\u914d\u7f6e\u4ed3\u5e93&#xff0c;\u5b89\u88c5tree\u5de5\u5177<\/p>\n<p><span class=\"token comment\"># \u914d\u7f6e\u4ed3\u5e93<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># curl -s -o \/etc\/yum.repos.d\/CentOS-Base.repo http:\/\/mirrors.aliyun.com\/repo\/Centos-7.repo<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># curl -s -o \/etc\/yum.repos.d\/epel.repo http:\/\/mirrors.aliyun.com\/repo\/epel-7.repo<\/span><\/p>\n<p><span class=\"token comment\"># \u5b89\u88c5tree\u5de5\u5177<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>root&#064;centos7 ~<span class=\"token punctuation\">]<\/span><span class=\"token comment\"># yum install -y tree<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260812001705-6a7bbb81cf171.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>cp \u547d\u4ee4<\/h3>\n<h4>\u590d\u5236\u6587\u4ef6<\/h4>\n<p><span class=\"token comment\"># \u590d\u5236\u5355\u4e2a\u6587\u4ef6\u5230\u76ee\u6807\u4f4d\u7f6e<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">18<\/span>:23:24<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">mkdir<\/span> lab<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">18<\/span>:23:27<span class=\"token punctuation\">]<\/span>$ <span class=\"token builtin class-name\">cd<\/span> lab<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:23:32<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:23:36<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> \/etc\/hosts <span class=\"token builtin class-name\">.<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:23:46<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhosts<\/p>\n<p><span class=\"token comment\"># \u590d\u5236\u5e76\u91cd\u547d\u540d<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:24:53<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> \/etc\/hosts .\/hosts-1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:26:31<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhosts  hosts-1<\/p>\n<p><span class=\"token comment\">#\u5f53\u524d\u76ee\u5f55\u4e0b\u6709\u540c\u540d\u79f0\u6587\u4ef6&#xff0c;\u4e0d\u4f1a\u63d0\u793a\u76f4\u63a5\u8986\u76d6&#xff0c;\u901a\u8fc7-i \u9009\u9879\u63d0\u793a\u662f\u5426\u8986\u76d6<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:26:38<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> \/etc\/hosts .\/hosts-1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:28:05<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> <span class=\"token parameter variable\">-i<\/span> \/etc\/hosts .\/hosts-1<br \/>\ncp&#xff1a;\u662f\u5426\u8986\u76d6<span class=\"token string\">&#034;.\/hosts-1&#034;<\/span>&#xff1f; <span class=\"token function\">yes<\/span><\/p>\n<p><span class=\"token comment\">#\u590d\u5236\u591a\u4e2a\u6587\u4ef6&#xff0c;\u76ee\u6807\u53ea\u80fd\u662f\u76ee\u5f55<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:28:22<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> \/etc\/passwd \/etc\/hosts.allow .\/hosts-all<br \/>\ncp: \u76ee\u6807<span class=\"token string\">&#034;.\/hosts-all&#034;<\/span> \u4e0d\u662f\u76ee\u5f55<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:29:29<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> \/etc\/passwd \/etc\/hosts.allow <span class=\"token builtin class-name\">.<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:29:50<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhosts  hosts-1  hosts.allow  <span class=\"token function\">passwd<\/span><\/p>\n<h4>\u590d\u5236\u76ee\u5f55<\/h4>\n<p><span class=\"token comment\"># \u4f7f\u7528 -r \u9009\u9879\u590d\u5236\u76ee\u5f55<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:30:00<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> \/etc\/yum <span class=\"token builtin class-name\">.<\/span><br \/>\ncp: \u7565\u8fc7\u76ee\u5f55<span class=\"token string\">&#034;\/etc\/yum&#034;<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:31:03<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> <span class=\"token parameter variable\">-r<\/span> \/etc\/yum <span class=\"token builtin class-name\">.<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:31:11<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhosts  hosts-1  hosts.allow  <span class=\"token function\">passwd<\/span>  yum<\/p>\n<p><span class=\"token comment\"># \u590d\u5236\u5e76\u4f7f\u7528\u65b0\u7684\u540d\u79f0<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:31:37<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> <span class=\"token parameter variable\">-r<\/span> \/etc\/yum .\/yum-1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:32:16<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhosts  hosts-1  hosts.allow  <span class=\"token function\">passwd<\/span>  yum  yum-1<\/p>\n<p><span class=\"token comment\"># \u5f53\u524d\u76ee\u5f55\u4e0b\u6709\u540c\u540d\u79f0\u76ee\u5f55&#xff0c;\u5219\u5c06\u6e90\u76ee\u5f55\u653e\u5230\u76f8\u540c\u76ee\u5f55\u4e0b\u9762&#xff0c;\u800c\u4e0d\u662f\u8986\u76d6\u5f53\u524d\u76ee\u5f55<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:32:22<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> yum<br \/>\nfssnap.d  pluginconf.d  protected.d  vars  version-groups.conf<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:34:09<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> <span class=\"token parameter variable\">-r<\/span> \/etc\/yum .\/yum<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:34:31<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhosts  hosts-1  hosts.allow  <span class=\"token function\">passwd<\/span>  yum  yum-1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:34:40<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> yum<br \/>\nfssnap.d  pluginconf.d  protected.d  vars  version-groups.conf  yum<\/p>\n<h3>mv \u547d\u4ee4<\/h3>\n<p><span class=\"token comment\"># \u79fb\u52a8\u5355\u4e2a\u6587\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:38:35<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhosts  hosts-1  hosts.allow  <span class=\"token function\">passwd<\/span>  yum  yum-1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:38:49<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">mv<\/span> hosts-1 <span class=\"token punctuation\">..<\/span>\/lab1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:38:58<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhosts  hosts.allow  <span class=\"token function\">passwd<\/span>  yum  yum-1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:39:03<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> <span class=\"token punctuation\">..<\/span>\/lab1<br \/>\nhosts-1<\/p>\n<p><span class=\"token comment\"># \u79fb\u52a8\u591a\u4e2a\u6587\u4ef6&#xff0c;\u76ee\u6807\u4f4d\u7f6e\u53ea\u80fd\u662f\u76ee\u5f55<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:39:17<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">mv<\/span> <span class=\"token function\">passwd<\/span> hosts \/home\/ljw\/lab1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:40:13<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhosts.allow  yum  yum-1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:40:15<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> <span class=\"token punctuation\">..<\/span>\/lab1<br \/>\nhosts  hosts-1  <span class=\"token function\">passwd<\/span><\/p>\n<p><span class=\"token comment\"># \u91cd\u547d\u540d\u6587\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:40:27<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhosts.allow  yum  yum-1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:41:30<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">mv<\/span> hosts.allow hosts.allow-new<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:41:52<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhosts.allow-new  yum  yum-1<\/p>\n<p><span class=\"token comment\"># \u79fb\u52a8\u5355\u4e2a\u76ee\u5f55<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:48:27<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">mv<\/span> etc <span class=\"token punctuation\">..<\/span>\/lab1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:48:40<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhome  hosts.allow-new  yum  yum-1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:48:42<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> <span class=\"token punctuation\">..<\/span>\/lab1<br \/>\netc  hosts  hosts-1  <span class=\"token function\">passwd<\/span><\/p>\n<p><span class=\"token comment\"># \u79fb\u52a8\u591a\u4e2a\u76ee\u5f55<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:48:55<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">mv<\/span> home\/ yum\/ yum-1 <span class=\"token punctuation\">..<\/span>\/lab1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:49:36<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhosts.allow-new<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">18<\/span>:49:38<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> <span class=\"token punctuation\">..<\/span>\/lab1<br \/>\netc  home  hosts  hosts-1  <span class=\"token function\">passwd<\/span>  yum  yum-1<\/p>\n<h3>rm \u547d\u4ee4<\/h3>\n<p><span class=\"token comment\"># \u5220\u9664\u6587\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:51:00<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\netc  home  hosts  hosts-1  <span class=\"token function\">passwd<\/span>  yum  yum-1<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:51:01<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">rm<\/span> hosts hosts-1 <span class=\"token function\">passwd<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:52:20<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\netc  home  yum  yum-1<\/p>\n<p><span class=\"token comment\"># \u5f3a\u5236\u5220\u9664\u5177\u6709\u5199\u4fdd\u62a4\u7684\u6587\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:52:27<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> \/etc\/pki\/ca-trust\/extracted\/java\/cacerts <span class=\"token builtin class-name\">.<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:53:25<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">rm<\/span> cacerts<br \/>\nrm&#xff1a;\u662f\u5426\u5220\u9664\u6709\u5199\u4fdd\u62a4\u7684\u666e\u901a\u6587\u4ef6 <span class=\"token string\">&#034;cacerts&#034;<\/span>&#xff1f;yes<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:53:34<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> cacerts<br \/>\nls: \u65e0\u6cd5\u8bbf\u95eecacerts: \u6ca1\u6709\u90a3\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55<br \/>\n<span class=\"token comment\"># \u6216\u4f7f\u7528-f\u9009\u9879&#xff0c;\u76f4\u63a5\u5220\u9664<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:54:40<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> \/etc\/pki\/ca-trust\/extracted\/java\/cacerts <span class=\"token builtin class-name\">.<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:55:14<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-f<\/span> cacerts<\/p>\n<p><span class=\"token comment\"># -r\u9009\u9879\u9012\u5f52\u5220\u9664\u76ee\u5f55<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:56:21<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-r<\/span> yum<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:56:40<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\netc  home  yum-1<\/p>\n<p><span class=\"token comment\"># \u9012\u5f52\u5f3a\u5236\u5220\u9664\u76ee\u5f55 -fr\u9009\u9879<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:58:33<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-fr<\/span> etc<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:58:49<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><br \/>\nhome  yum-1<\/p>\n<p><span class=\"token comment\"># \u5220\u9664\u591a\u4e2a\u76ee\u5f55<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">18<\/span>:59:31<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-fr<\/span> home\/ yum-1\/<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab1 <span class=\"token number\">19<\/span>:00:04<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span><\/p>\n<h2>shell \u6269\u5c55\u5339\u914d\u6587\u4ef6<\/h2>\n<h3>*<\/h3>\n<p>\u5339\u914d\u7531\u96f6\u4e2a\u6216\u66f4\u591a\u5b57\u7b26\u7ec4\u6210\u7684\u4efb\u4f55\u5b57\u7b26\u4e32\u3002\u5355\u72ec*\u4e0d\u5339\u914d\u9690\u85cf\u6587\u4ef6\u3002<\/p>\n<p><span class=\"token comment\"># \u5339\u914d\/etc\u76ee\u5f55\u4e0b\u6240\u6709ho\u5f00\u5934\u7684\u6587\u4ef6<\/span><br \/>\nljw&#064;centos7 ~ <span class=\"token number\">15<\/span>:57:53<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> \/etc\/ho*<br \/>\n\/etc\/host.conf  \/etc\/hostname  \/etc\/hosts  \/etc\/hosts.allow  \/etc\/hosts.deny<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260812001705-6a7bbb81e18d5.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><span class=\"token comment\"># \u5c06\/etc\u76ee\u5f55\u4e0b\u6240\u6709ho\u5f00\u5934\u7684\u6587\u4ef6\u590d\u5236\u5230\/tmp<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">16<\/span>:05:48<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> \/etc\/ho* \/tmp<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">16<\/span>:05:56<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> \/tmp\/ho*<br \/>\n\/tmp\/host.conf  \/tmp\/hostname  \/tmp\/hosts  \/tmp\/hosts.allow  \/tmp\/hosts.deny<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260812001705-6a7bbb81eed8b.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p><span class=\"token comment\"># \u5220\u9664\/tmp\u76ee\u5f55\u4e0b\u6240\u6709ho\u5f00\u5934\u7684\u6587\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">16<\/span>:06:16<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">rm<\/span> \/tmp\/ho*<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">16<\/span>:09:35<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> \/tmp\/ho*<br \/>\nls: \u65e0\u6cd5\u8bbf\u95ee\/tmp\/ho*: \u6ca1\u6709\u90a3\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260812001706-6a7bbb820841d.png\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h3>?<\/h3>\n<p>\u5339\u914d\u4efb\u4f55\u4e00\u4e2a\u5b57\u7b26<\/p>\n<p><span class=\"token comment\"># \u67e5\u770b\u6587\u4ef6\u540d\u79f0\u662f file- \u540e\u8ddf1\u4e2a\u5b57\u6bcd\u7684\u6587\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:27:03<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-?<br \/>\nfile-1  file-2  file-3  file-a  file-b  file-c<br \/>\n<span class=\"token comment\">#\u67e5\u770b\u6587\u4ef6\u540d\u79f0\u662f file- \u540e\u8ddf2\u4e2a\u5b57\u6bcd\u7684\u6587\u4ef6<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:27:11<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-??<br \/>\nfile-a1  file-a2<\/p>\n<h3>[ ]<\/h3>\n<p>\u5339\u914d\u4f4d\u4e8e\u4e24\u4e2a\u65b9\u62ec\u53f7\u4e4b\u95f4\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u5b57\u7b26<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:27:32<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">[<\/span>abc<span class=\"token punctuation\">]<\/span><br \/>\nfile-a  file-b  file-c<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:30:49<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">[<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">]<\/span><br \/>\nfile-1  file-2<br \/>\n<span class=\"token comment\"># [^abc\u2026]\u6216[!abc\u2026]\u4e0d\u5728\u62ec\u8d77\u7684\u7c7b\u4e2d\u7684\u4efb\u4f55\u4e00\u4e2a\u5b57\u7b26\u3002<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:31:00<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">[<\/span>^12<span class=\"token punctuation\">]<\/span><br \/>\nfile-3  file-a  file-b  file-c<\/p>\n<h3>\u96c6\u5408<\/h3>\n<p><span class=\"token comment\"># \u5339\u914d\u6240\u6709\u6570\u5b57<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:31:56<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">[<\/span><span class=\"token number\">0<\/span>-9<span class=\"token punctuation\">]<\/span><br \/>\nfile-1  file-2  file-9<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:32:20<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span>:digit:<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><br \/>\nfile-1  file-2  file-9<\/p>\n<p><span class=\"token comment\"># \u5339\u914d\u6240\u6709\u5927\u5199\u5b57\u6bcd<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:32:44<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span>:upper:<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><br \/>\nfile-A  file-Z<\/p>\n<p><span class=\"token comment\"># \u5339\u914d\u6240\u6709\u5c0f\u5199\u5b57\u6bcd<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:33:21<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span>:lower:<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><br \/>\nfile-a  file-b  file-z<\/p>\n<p><span class=\"token comment\"># \u5339\u914d\u6240\u6709\u5b57\u6bcd<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:33:30<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">[<\/span>a-Z<span class=\"token punctuation\">]<\/span><br \/>\nfile-a  file-A  file-b  file-z  file-Z<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:33:55<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span>:alpha:<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><br \/>\nfile-a  file-A  file-b  file-z  file-Z<\/p>\n<p><span class=\"token comment\"># \u5339\u914d\u6240\u6709\u5b57\u6bcd\u548c\u6570\u5b57<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:34:16<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">[<\/span>:alnum:<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">]<\/span><br \/>\nfile-1  file-2  file-9  file-a  file-A  file-b  file-z  file-Z<\/p>\n<h3>~<\/h3>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:34:39<span class=\"token punctuation\">]<\/span>$ <span class=\"token builtin class-name\">echo<\/span> ~<br \/>\n\/home\/laoma<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:35:11<span class=\"token punctuation\">]<\/span>$ <span class=\"token builtin class-name\">cd<\/span> ~<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:35:23 <span class=\"token punctuation\">]<\/span>$ <span class=\"token builtin class-name\">pwd<\/span><br \/>\n\/home\/laoma<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:35:46<span class=\"token punctuation\">]<\/span>$ <span class=\"token builtin class-name\">echo<\/span> ~root<br \/>\n\/root<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:36:00<span class=\"token punctuation\">]<\/span>$ <span class=\"token builtin class-name\">cd<\/span> ~root<br \/>\n-bash: cd: \/root: \u6743\u9650\u4e0d\u591f<\/p>\n<h3>{ }<\/h3>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:36:10<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">[<\/span>abc<span class=\"token punctuation\">]<\/span><br \/>\nfile-a  file-b<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:36:31<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">{<\/span>a,b,c<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token comment\"># \u76f8\u5f53\u4e8e\u4e0b\u9762\u547d\u4ee4<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:36:47<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-a file-b file-c<br \/>\nls: \u65e0\u6cd5\u8bbf\u95eefile-c: \u6ca1\u6709\u90a3\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55<br \/>\nfile-a  file-b<\/p>\n<p><span class=\"token comment\"># {1..5}\u8868\u8fbe\u4e00\u4e2a\u8303\u56f4<\/span><br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 lab <span class=\"token number\">19<\/span>:37:17<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> file-<span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">..<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">}<\/span><br \/>\nls: \u65e0\u6cd5\u8bbf\u95eefile-3: \u6ca1\u6709\u90a3\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55<br \/>\nls: \u65e0\u6cd5\u8bbf\u95eefile-4: \u6ca1\u6709\u90a3\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55<br \/>\nls: \u65e0\u6cd5\u8bbf\u95eefile-5: \u6ca1\u6709\u90a3\u4e2a\u6587\u4ef6\u6216\u76ee\u5f55<br \/>\nfile-1  file-2<\/p>\n<p>#\u793a\u4f8b \u4f7f\u7528shell\u6269\u5c55\u5339\u914d&#xff0c;\u5b8c\u6210\u4ee5\u4e0b\u7ec3\u4e60\u3002<\/p>\n<p>\u5728\u7528\u6237\u7684\u4e3b\u76ee\u5f55\u4e2d&#xff0c;\u521b\u5efa\u4e09\u4e2a\u5b50\u76ee\u5f55&#xff1a;Music\u3001Pictures \u548c Videos\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:43:42<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">mkdir<\/span> Music Pictures Videos<\/p>\n<p>\u5728\u7528\u6237\u7684\u4e3b\u76ee\u5f55\u4e2d&#xff1a;<\/p>\n<p>\u521b\u5efa\u516d\u4e2a\u6587\u4ef6&#xff0c;\u5e76\u4ee5 songX.mp3 \u5f62\u5f0f\u53d6\u540d\u3002<\/p>\n<p>\u521b\u5efa\u516d\u4e2a\u6587\u4ef6&#xff0c;\u5e76\u4ee5 snapX.jpg \u5f62\u5f0f\u53d6\u540d\u3002<\/p>\n<p>\u521b\u5efa\u516d\u4e2a\u6587\u4ef6&#xff0c;\u5e76\u4ee5 filmX.avi \u5f62\u5f0f\u53d6\u540d\u3002<\/p>\n<p>\u5728\u6bcf\u4e00\u7ec4\u6587\u4ef6\u4e2d&#xff0c;\u5c06 X \u66ff\u6362\u4e3a\u6570\u5b57 1 \u5230 6 \u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:44:21<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">touch<\/span> song<span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">..<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">}<\/span>.mp3 snap<span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">..<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">}<\/span>.jpg film<span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">..<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">}<\/span>.avi<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:45:44<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> song<span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">..<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">}<\/span>.mp3 snap<span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">..<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">}<\/span>.jpg film<span class=\"token punctuation\">{<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">..<\/span><span class=\"token number\">6<\/span><span class=\"token punctuation\">}<\/span>.avi<br \/>\nfilm1.avi  film4.avi  snap1.jpg  snap4.jpg  song1.mp3  song4.mp3<br \/>\nfilm2.avi  film5.avi  snap2.jpg  snap5.jpg  song2.mp3  song5.mp3<br \/>\nfilm3.avi  film6.avi  snap3.jpg  snap6.jpg  song3.mp3  song6.mp3<\/p>\n<p>\u5c06 songX.mp3 \u6240\u6709\u6587\u4ef6\u79fb\u52a8\u5230 Music \u76ee\u5f55\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:46:24<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">mv<\/span> son* Music\/<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:47:30<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> Music<br \/>\nsong1.mp3  song2.mp3  song3.mp3  song4.mp3  song5.mp3  song6.mp3<\/p>\n<p>\u5c06 snapX.jpg \u6240\u6709\u6587\u4ef6\u79fb\u52a8\u5230 Pictures \u76ee\u5f55\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:47:42<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">mv<\/span> s* Pictures\/<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:48:00<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> Pictures\/<br \/>\nsnap1.jpg  snap2.jpg  snap3.jpg  snap4.jpg  snap5.jpg  snap6.jpg<\/p>\n<p>\u5c06 filmX.avi \u6240\u6709\u6587\u4ef6\u79fb\u52a8\u5230 Videos \u76ee\u5f55\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:48:08<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">mv<\/span> film* Videos\/<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:48:26<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> Videos\/<br \/>\nfilm1.avi  film2.avi  film3.avi  film4.avi  film5.avi  film6.avi<\/p>\n<p>\u5728\u7528\u6237\u7684\u4e3b\u76ee\u5f55\u4e2d&#xff0c;\u521b\u5efa\u4e09\u4e2a\u5b50\u76ee\u5f55&#xff1a;friends\u3001family \u548c work\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:48:34<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">mkdir<\/span> friends family work<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:49:00<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> friends family work<br \/>\nfamily:<br \/>\nfriends:<br \/>\nwork:<\/p>\n<p>\u5c06\u6240\u6709\u5e8f\u53f7\u662f1\u548c2\u7684\u6587\u4ef6\u590d\u5236\u5230 friends \u76ee\u5f55\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:50:05<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> *\/*<span class=\"token punctuation\">[<\/span><span class=\"token number\">1<\/span>-2<span class=\"token punctuation\">]<\/span>* friends\/<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:50:49<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> friends<br \/>\nfilm1.avi  film2.avi  snap1.jpg  snap2.jpg  song1.mp3  song2.mp3<\/p>\n<p>\u5c06\u6240\u6709\u5e8f\u53f7\u662f3\u548c4\u7684\u6587\u4ef6\u590d\u5236\u5230 family \u76ee\u5f55\u3002<\/p>\n<p>mp3\u4e5f\u67093&#xff0c;song3.mp3\u524d\u4e00\u4e2a3\u540e\u5e26\u6709\u5b57\u7b26\u4e32&#xff0c;\u6545\u53ef\u4ee5\u52a0\u4e00\u4e2a?\u6216 .<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:51:02<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> *\/*<span class=\"token punctuation\">[<\/span><span class=\"token number\">3<\/span>-4<span class=\"token punctuation\">]<\/span>?* family\/<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:51:36<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> family\/<br \/>\nfilm3.avi  film4.avi  snap3.jpg  snap4.jpg  song3.mp3  song4.mp3<\/p>\n<p>\u5c06\u6240\u6709\u5e8f\u53f7\u662f5\u548c6\u7684\u6587\u4ef6\u590d\u5236\u5230 work \u76ee\u5f55\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:51:46<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">cp<\/span> *\/*<span class=\"token punctuation\">[<\/span><span class=\"token number\">5<\/span>-6<span class=\"token punctuation\">]<\/span>?* work\/<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:53:04<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">ls<\/span> work\/<br \/>\nfilm5.avi  film6.avi  snap5.jpg  snap6.jpg  song5.mp3  song6.mp3<\/p>\n<p>\u590d\u5236 family \u548c friends \u76ee\u5f55\u5230\/tmp\u4e2d\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260812001706-6a7bbb8216f25.png\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<p>\u5220\u9664 family \u548c friends \u76ee\u5f55\u3002<\/p>\n<p><span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:53:56<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-r<\/span> family\/ friends\/ \u6216<br \/>\n<span class=\"token punctuation\">[<\/span>ljw&#064;centos7 ~ <span class=\"token number\">19<\/span>:56:25<span class=\"token punctuation\">]<\/span>$ <span class=\"token function\">rm<\/span> <span class=\"token parameter variable\">-r<\/span> \/tmp\/<span class=\"token punctuation\">{<\/span>family,friends<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5220\u9664 work \u76ee\u5f55\u4e2d\u6240\u6709\u6587\u4ef6&#xff0c;\u7136\u540e\u5728\u5220\u9664 work \u76ee\u5f55\u3002 <img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/08\/20260812001706-6a7bbb8228d92.png\" alt=\"\u8bf7\u6dfb\u52a0\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u76ee\u5f55Linux \u547d\u4ee4touch \u547d\u4ee4tree \u547d\u4ee4cp \u547d\u4ee4\u590d\u5236\u6587\u4ef6\u590d\u5236\u76ee\u5f55mv \u547d\u4ee4rm \u547d\u4ee4shell \u6269\u5c55\u5339\u914d\u6587\u4ef6*?[ ]\u96c6\u5408~{ }Linux \u547d\u4ee4<br \/>\ntouch \u547d\u4ee4 \u521b\u5efa\u6587\u4ef6  \u4fee\u6539\u6587\u4ef6\/\u76ee\u5f55\u7684\u65f6\u95f4\u6233&#xff08;\u8bbf\u95ee\u65f6\u95f4 atime\u3001\u4fee\u6539\u65f6\u95f4 mtime\u3001\u66f4\u6539\u65f6\u95f4 ctime&#xff09;<br \/>\ntouch [\u9009\u9879] \u6587\u4ef6\u540d\/\u8def\u5f84# \u4e00\u6b21\u6027\u521b\u5efa\u591a\u4e2a\u6587\u4ef6<br \/>\ntouch a.txt b.log c.sh# \u6279\u91cf\u521b\u5efa 1~10 \u6587\u4ef6<br \/>\ntouch file{1..<\/p>\n","protected":false},"author":2,"featured_media":93209,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,43,44],"topic":[],"class_list":["post-93218","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-linux","tag-43","tag-44"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux \u5165\u95e8\u57fa\u7840\u547d\u4ee4(2) 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