cd [目录名]
切换当前目录至 [目录名]
命令:
cd /
说明:进入系统根目录,上面命令执行完后拿ls命令看一下,当前目录已经到系统根目录了
输出:
hc@hc-virtual-machine:~$ pwd /home/hc hc@hc-virtual-machine:~$ cd / hc@hc-virtual-machine:/$ ls bin dev initrd.img lib64 mnt root snap sys var boot etc initrd.img.old lost+found opt run srv tmp vmlinuz cdrom home lib media proc sbin swapfile usr
pwd的作用是查询当前所在目录
命令:
cd ..
输出:
hc@hc-virtual-machine:~/pycharmprojects$ pwd /home/hc/pycharmprojects hc@hc-virtual-machine:~/pycharmprojects$ cd .. hc@hc-virtual-machine:~$ pwd /home/hc
命令:
cd ../..
输出:
hc@hc-virtual-machine:~/pycharmprojects$ pwd /home/hc/pycharmprojects hc@hc-virtual-machine:~/pycharmprojects$ cd ../.. hc@hc-virtual-machine:/home$ pwd /home
“当前用户主目录”和“系统根目录”是两个不同的概念。进入当前用户主目录有两个方法。
命令1:
cd
直接输入cd,然后回车
输出:
hc@hc-virtual-machine:~/pycharmprojects/my_test$ pwd /home/hc/pycharmprojects/my_test hc@hc-virtual-machine:~/pycharmprojects/my_test$ cd hc@hc-virtual-machine:~$ pwd /home/hc
上面的命令是我在非root用户下操作的,现在我切换到root用户下再操作一遍
hc@hc-virtual-machine:~/pycharmprojects/my_test$ sudo su root@hc-virtual-machine:/home/hc/pycharmprojects/my_test# pwd /home/hc/pycharmprojects/my_test root@hc-virtual-machine:/home/hc/pycharmprojects/my_test# cd root@hc-virtual-machine:~# pwd /root
命令2:
cd ~
输出
hc@hc-virtual-machine:~/pycharmprojects/my_test$ pwd /home/hc/pycharmprojects/my_test hc@hc-virtual-machine:~/pycharmprojects/my_test$ cd ~ hc@hc-virtual-machine:~$ pwd /home/hc
命令
cd /home/hc/pycharmprojects/my_test/
输出
hc@hc-virtual-machine:/$ pwd / hc@hc-virtual-machine:/$ cd /home/hc/pycharmprojects/my_test/ hc@hc-virtual-machine:~/pycharmprojects/my_test$ pwd /home/hc/pycharmprojects/my_test
命令:
cd -
说明:自动跳转到进入此目录之前所在的目录,并输出所在目录名称
输出:
hc@hc-virtual-machine:/$ pwd / hc@hc-virtual-machine:/$ cd /home/hc/pycharmprojects/my_test/ hc@hc-virtual-machine:~/pycharmprojects/my_test$ pwd /home/hc/pycharmprojects/my_test hc@hc-virtual-machine:~/pycharmprojects/my_test$ cd - / hc@hc-virtual-machine:/$ pwd /
命令:
cd !$
输出:
hc@hc-virtual-machine:~/pycharmprojects/my_test$ pwd /home/hc/pycharmprojects/my_test hc@hc-virtual-machine:~/pycharmprojects/my_test$ ls /opt/ google hc@hc-virtual-machine:~/pycharmprojects/my_test$ cd !$ cd /opt/ hc@hc-virtual-machine:/opt$ pwd /opt
如对本文有疑问, 点击进行留言回复!!
linux下文本编辑器vim的使用方法(复制、粘贴、替换、行号、撤销、多文件操作)
网友评论