Unix

Fast Help

Instruction	Command
Move directory	cd directory_name
Current folder	pwd
Command location	which command_name
List folders	ls [-l (detail)][-a (hidden)][-F (type)][-h (size)][-t (date)][-r (reverse)]
Disk usage	du [-h (size)][-a (all)][-s (sum)]
Display all file	cat file_name [-n (lines)]
Display page file	less file_name [SPACE (scroll)][ENTER (next)][B (back)][Q (quit)][/text_to_find (find) + n(next)/N(back)]
Display part file	head file_name/tail file_name [-n 10 (lines)][-f (follow)]
Create file	touch file_name [second_file_name...]
Create directory	mkdir folder_name [-p (path folders)]
Copy file	cp file_name copy_name [*.jpg (wildcard)][-R (recursive)]
Move file	mv file_name folder_name [*.jpg (wildcard)]
Rename file	mv file_name new_file_name
Remove file	rm file_name [second_file_name...][-i (ask)][-f (force)][-v (verbose)][-r (recursive)]
Link file	ln file_name target_name

Linux directory

/                                               *Root directory*
├───bin                                         *Users programs*
├───boot                                        *System booting*
├───dev                                         *Devices (ex:CD)*
├───etc                                         *Config folder*
├───home                                        *Users folders*
│     ├───userA
│     └───userB
├───lib                                         *Shared libraries*
├───media                                       *Medias (ex:USB)*
├───mnt                                         *Temporary medias*
├───opt                                         *Programs add-ons*
├───proc                                        *System infos*
├───root                                        *Root user folder*
├───sbin                                        *System programs*
├───tmp                                         *Temporary folder*
├───usr                                         *Users programs*
└───var                                         *Datas and Logs*

Structure

Todo

Structure

Administration

Todo

Administration

Bash

Todo

Bash