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

Ls: list files and directories ls-l: list file and directory details ls-a: list all files and directories (including hidden directories) cp: copy file cp source file directory target directory cp-r: copy directory mv: move or rename file move and modify file name

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

Df-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