linux命令cd介绍(6)

Read

cd是linux的内建命令，用于目录之间的切换；
参数：

-P：当目录是软连接的时候，切换的物理真实路径
-L：当目录是软链接的时候，依然使用软链接路径 SourceByrd's Weblog-https://note.t4x.org/rebuilding/cd-command-description/

用法：SourceByrd's Weblog-https://note.t4x.org/rebuilding/cd-command-description/

[root@Test5 tmp]# cd --help
-bash: cd: --: invalid option
cd: usage: cd [-L|-P] [dir] SourceByrd's Weblog-https://note.t4x.org/rebuilding/cd-command-description/

案例：

[root@Test5 tmp]# cd -P nginx
[root@Test5 nginx]# pwd
/usr/local/nginx
[root@Test5 nginx]# cd -
/tmp
[root@Test5 tmp]# cd -L nginx
[root@Test5 nginx]# pwd
/tmp/nginx

[root@Test5 tmp]# cd -P nginx

[root@Test5 nginx]# pwd

/usr/local/nginx

[root@Test5 nginx]# cd -

/tmp

[root@Test5 tmp]# cd -L nginx

[root@Test5 nginx]# pwd

/tmp/nginx

SourceByrd's Weblog-https://note.t4x.org/rebuilding/cd-command-description/ SourceByrd's Weblog-https://note.t4x.org/rebuilding/cd-command-description/