How to use linux cd command?

linux cd command is used to switch the current working directory, the syntax format is "cd [dirName]", where the dirName representation can be an absolute path or a relative path; if the directory name is omitted, it changes to the user's home directory , that is, the directory where you were when you first logged in.

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Linux cd command is used to switch the current working directory to dirName( directory parameters).

The dirName representation can be an absolute path or a relative path. If the directory name is omitted, it will change to the user's home directory (that is, the directory where the user just logged in).

In addition, "~" also means the home directory, "." means the current directory, and ".." means the directory above the current directory.

1. Linux cd command syntax

cd [dirName]

dirName: The target directory to be switched.

2. Linux cd command example

Jump into the test directory:

[root@/root/linuxdaxue.com]#cd testDir/
[root@/root/linuxdaxue.com/testDir]#ls
file1  file2  file3

Jump to the upper directory

[root@/root/linuxdaxue.com/testDir]#cd ..
[root@/root/linuxdaxue.com]#ls
testDir

Jump to the upper directory

[root@/root/linuxdaxue.com/testDir]#cd ../../
[root@/root]#ls

Jump to the user home directory

[root@/root/linuxdaxue.com/testDir]#ls
file1  file2  file3
[root@/root/linuxdaxue.com/testDir]#cd ~/
[root@/root]#pwd
/root

Use absolute path

[root@/root]#cd /root/linuxdaxue.com/testDir
[root@/root/linuxdaxue.com/testDir]#ls
file1  file2  file3

Use environment variables

[root@/root]#cd $TEST_PATH
[root@/root/linuxdaxue.com/testDir]#ls
file1  file2  file3

Jump to the last time Using the directory

[root@/root]#pwd
/root
[root@/root]#cd -
/root/linuxdaxue.com/testDir
[root@/root/linuxdaxue.com/testDir]#

cd command is relatively simple. It is mainly used to switch working directories. I hope everyone can master it.

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