A day of school a Linux command: cd pwd next day

Article Updated: 2020-03-08
Note: This article referring to man pwd manual, use and give examples.

First, the command cdandpwd

1, Command Introduction

pwdTo view the current directory path.
cdCommand is used to change the current directory.

Note: cdthe system built-in command, if you man cdfind that shows the bashcontent.

2, syntax

pwd [-L] [-P] [--help] [--version]
cd [-L|[-P [-e]]] [dir]

3, use the sample

4, pwd parameters

Short format	Long format	description
-L	- -logical	If you are coming from a symbolic link, the path where the symbolic link is displayed
-P	- -physical	Whether it is not coming from a symbolic link, it shows the actual path (physical) of
	- -help	Displays help information about the command
	- -version	View version command

5, cd parameters

Short format	Explanation	description
	No arguments	Equivalent cd ~, switch to the current user's home directory
~or--	The top left of the keyboard tilde or minus two	Switch to the current user's home directory
-	Dash / minus sign	Switch to the last cdto directory
..	Two points	Switch to the parent directory
-L		If the handover target is a symbolic link, is displayed进入的是逻辑上的符号链接目录
-P		If the handover target is a symbolic link, is displayed进入的是实际指向的目录

Second, the practice of command

1, cd change directory

2. Exceptions to the cd

3, pwd -Land pwd -Pthe difference

4, cd -Land cd -Pthe difference

三、Enjoy！