Linux Command cd

Cd

Command description:
 
Switch to the specified directory
 
 
 
Usage:
 
Cd [dirName]
 
 
 
Cd [relative or absolute path]
 
. Indicates the directory at this layer.
 
.. Indicates the upper directory
 
-Represents the previous working directory.
 
~ Represents the main folder where "current user identity" is located
 
 
 
Command practice:
 
[Root @ bkjia ~] # Absolute path of cd/home/bkjia
 
[Root @ bkjia] # cd. # No space is added after cd, and an error occurs.
 
-Bash: cd.: command not found
 
[Root @ bkjia] # cd.
 
[Root @ bkjia] # cd... the last directory in the current directory
 
[Root @ bkjia home] # cd-go to the previous working directory
 
/Home/bkjia
 
[Root @ bkjia] # cd
 
[Root @ bkjia ~] # Cd/home/bkjia
 
[Root @ bkjia] # cd ~ Go to your home directory
 
 
 
[Root @ bkjia/] # cd/home/bkjia

[Root @ bkjia] # pwd
 
/Home/bkjia
 
[Root @ bkjia] # cd... jump to the upper two layers of the current directory
 
[Root @ bkjia/] #