LINUX-11 Basic command-The working period directory Toggle Command-PWD,CD,

The PWD command is used to display the current working directory in the format: pwd[options]

@1, view the current work path:

[Email protected]/]# pwd

The CD command is used to switch the work path format to: "CD directory Name"

cd command parameters

Parameters	Role
-	Switch to the previous directory. For example: "cd-"
~	Switch to "home directory". For example: "cd~".
~username	Switch to another user's home directory for example: "CD ~root"
..	Switch to the parent directory. For example: "CD.".

The LS command is used to view those files in the directory in the format: "ls[options [File]"

Ls-la

LS parameter

Parameters	Role
-A	View all files (including hidden files)
-D	Just look at the directory itself
-H	Easy-to-read file size
-L	Show file Details

@1, see those files in the/etc directory

[Email protected]/]# ls/etc

@1, view/etc directory permissions

ls -ld /etc

Append-H display capacity in k/m/g units

ls -ldh/etc

LINUX-11 Basic command-The working period directory Toggle Command-PWD,CD,