One day a linux Base command Directory Management Class command CD

CD Switch Directory command

1. command format

CD [option] [ directory name ]

2. Command function

Switch working directory

3. Common examples

Example 1:CD ~

Description:~ default is the home directory of the root, if the ~ after the user name, you can enter the home directory of the specified user

[Email protected] ~]#

[[Email protected] ~]# CD/

[Email protected]/]# pwd

/

Description: Enter the system root directory , after the above command to take the pwd command to see, the current directory has been to the system root directory .

[Email protected]/]# CD ~

[Email protected] ~]# pwd

/root

Description: Use CD Command Implementation Entry Root the user's home directory.

[Email protected] ~]# CD ~STU1

[Email protected] stu1]# pwd

/home/stu1

Description: Use CD command implementation into the ordinary user STU1 home directory.

Example 2: Jump to the specified directory cd/var/log

[Email protected] stu1]# cd/var/log/

[Email protected] log]# pwd

/var/log

[[email protected] log]# ls

[Email protected] log]# CD httpd

[Email protected] httpd]# pwd

/var/log/httpd

[Email protected] httpd]#

Description : Jump to the specified directory, starting at the root directory, and adding the directory name / , the subdirectory in the current directory can write the name directly; relative path: The path starting at the current position  

Example 3 : CD- : Returns the directory where it was before entering this directory

[Email protected] httpd]# cd/usr/share/yum-

[Email protected] httpd]# cd/usr/share/yum-plugins/

[Email protected] yum-plugins]# CD-

/var/log/httpd

[Email protected] httpd]# CD-

/usr/share/yum-plugins

[Email protected] yum-plugins]#

Example 4: use cd!$ The parameters of the previous command as CD parameters

[Email protected] ~]# ls/var/log/

Anaconda.ifcfg.log btmp DMESG maillog-20161129 PPP Spice-vdagent.log

[Email protected] ~]# CD!$

cd/var/log/

[Email protected] log]# pwd

/var/log

[Email protected] log]#

Example 5: Return to the parent directory CD of the current directory .

[Email protected] log]# pwd

/var/log

[Email protected] log]# CD.

[Email protected] var]# pwd

/var

[Email protected] var]#

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One day a linux Base command Directory Management Class command CD