首页
学习
活动
专区
工具
TVP
发布
精选内容/技术社群/优惠产品,尽在小程序
立即前往

每日必学Linux命令:cd命令

1.命令格式:

cd [目录名]

2.命令功能

切换当前目录至 [目录名]

3. 常用范例

1.进入系统根目录

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

2. 返回父级目录

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

3.进入当前目录的父目录的父目录

命令:

cd ../..

输出:

hc@hc-virtual-machine:~/PycharmProjects$ pwd

/home/hc/PycharmProjects

hc@hc-virtual-machine:~/PycharmProjects$ cd ../..

hc@hc-virtual-machine:/home$ pwd

/home

4. 进入当前用户主目录

“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

5. 跳转到指定目录

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

6.返回进入此目录之前所在的目录

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

/

7. 把上个命令的参数作为cd参数使用

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

关注 工 仲 好:IT运维大本营,获取60个G的《网工系统大礼包》

转载

https://www.cnblogs.com/huchong/p/9829238.html

  • 发表于:
  • 原文链接https://page.om.qq.com/page/O9zKnoUvF_tL2Y37vpenV7NQ0
  • 腾讯「腾讯云开发者社区」是腾讯内容开放平台帐号(企鹅号)传播渠道之一,根据《腾讯内容开放平台服务协议》转载发布内容。
  • 如有侵权,请联系 cloudcommunity@tencent.com 删除。

扫码

添加站长 进交流群

领取专属 10元无门槛券

私享最新 技术干货

扫码加入开发者社群
领券