Take notes on Linux Private food from laruence (2) -- Basic commands

Ls: List Files And Directories

Ls-l: lists detailed information about files and directories.

Ls-a: lists all files and directories (including Hidden Directories)

Cp: copy an object

Cp source file directory target directory

Cp-r: Copy directory

Mv: Move or rename a file

Move and modify the file name

Rm: delete an object

Rm-f: Force Delete

Touch: Create an empty file or update the file time (if the file already exists)

File Update Time

Cd: change the current path

Absolute path: start with the root directory cd/home

Relative Path: relative to the current directory cd home

Pwd: view the current full path

Mkdir: create a directory

Rmdir: delete an empty directory.

Rm-rf: delete directories and files

Cat: view files

More: view files on screen

Less: view files row by row

Date: displays and changes the current system time.

Cal: displays the system calendar.

Df: view disk Information

-H

Du: disk space occupied by computing files or directories

Du-h

Head: view the content at the beginning of the file (10 rows by default)

Tail: View part of the content behind the file