cd命令在linux中,用于切换目录,是linux中最常用的命令之一。
- 命令功能
切换当前目录至指定目录
- 命令格式
cd [diretory]
- 常用范例
例一:进入到/目录
命令:
cd /
输出:
[[email protected] ~]# cd / [[email protected] /]# pwd / [[email protected] /]#
用pwd命令可以查看当前所在目录的绝对路径。
例二:返回当前目录的上一层目录,使用../..的用法可以返回上上层目录,../../..,以此类推。
命令:
cd ..
输出:
[[email protected] network-scripts]# pwd /etc/sysconfig/network-scripts [[email protected] network-scripts]# cd .. [[email protected] sysconfig]# pwd /etc/sysconfig [[email protected] sysconfig]# cd .. [[email protected] etc]# pwd /etc [[email protected] ~]# cd /etc/sysconfig/network-scripts/ [[email protected] network-scripts]# pwd /etc/sysconfig/network-scripts [[email protected] network-scripts]# cd ../.. [[email protected] etc]# pwd /etc [[email protected] etc]#
例三:进入自己的家目录
命令:
cd #不接任何参数默认返回用户家目录 cd ~ #"~"表示用户的家目录
输出:
[[email protected] network-scripts]# cd [[email protected] ~]# pwd /root [[email protected] ~]# cd /etc/sysconfig/network-scripts/ [[email protected] network-scripts]# cd ~ [[email protected] ~]# pwd /root [[email protected] ~]#
例四:返回进入此目录之前的目录
命令:
cd -
输出:
[[email protected] network-scripts]# cd ~ [[email protected] ~]# pwd /root [[email protected] ~]# cd - /etc/sysconfig/network-scripts [[email protected] network-scripts]# pwd /etc/sysconfig/network-scripts [[email protected] network-scripts]# cd - /root [[email protected] ~]#
例五:把上个命令的参数作为cd的参数使用
命令:
cd !$
输出
[[email protected] ~]# cd /etc/sysconfig/network-scripts/ [[email protected] network-scripts]# cd - /root [[email protected] ~]# cd - /etc/sysconfig/network-scripts [[email protected]inux network-scripts]# cd !$ cd - /root [[email protected] ~]# cd !$ cd - /etc/sysconfig/network-scripts [[email protected] network-scripts]#
时间: 2024-08-26 21:29:37