Shell

• colors

• tab - autocomplete command, directories and files

• tab+tab

Shells

• sh

• bash

• zsh

• csh

• ash

• nologin

Paths

• /etc/environment

• /etc/bashrc

• /etc/profile

• /etc/motd

• /etc/profile.d

• /etc/alternatives

Keyboard Shortcuts

• ctrl+o

• ctrl+r

Debugging

• sh -x

• bash -x

Commands

Terminal

Command	Type	Description
stty		change and print terminal line settings
stty		unimplemented system calls
reset		terminal initialization
toe		table of (terminfo) entries
tput		initialize a terminal or query terminfo database
clear		clear the terminal screen
ash
bash -x
bash		GNU Bourne-Again SHell
setterm		set terminal attributes
sh -x
sh		command interpreter (shell)
tset		terminal initialization
tty		print the file name of the terminal connected to standard input
tty		controlling terminal
csh