Variables

PS1 PS2 PS3

Escape Codes Used in Shell Prompts

Sequence	Value Displayed
	ASCII bell
	̣ date in day, month, date format
	̉ Hostname
	̋ Full hostname
ȷ	Number of jobs running
ł	Name of current terminal
	Newline
	̊ Carriage return
	Name of the shell program
	͡ Current time in 24-hour hours:minutes:seconds format
	Current time in 12-hour format
\@	Current time in 12-hour AM/PM format
	Current time in 24-hour hours:minutes format
	̆ Username of the current user
	̌ Version number of the shell
	Version and release numbers of the shell
	Name of the current working directory
	Last part of the current working directory name
\!	History number of the current command
\#	Number of commands entered during this shell session
\$	Displays a "$" char unless superuser then "#"
[	Signals the start of a series of one or more non-printing chars.
	Moves cursor, changes colors, etc
]	Signals end of non-printing char sequence

Colors

1. Foreground

   Sequence	Text Color
   \033[0;30m	Black
   \033[0;31m	Red
   \033[0;32m	Green
   \033[0;33m	Brown
   \033[0;34m	Blue
   \033[0;35m	Purple
   \033[0;36m	Cyan
   \033[0;37m	Light gray
   \033[1;30m	Dark gray
   \033[1;31m	Light red
   \033[1;32m	Light green
   \033[1;33m	Yellow
   \033[1;34m	Light blue
   \033[1;35m	Light purple
   \033[1;36m	Light cyan
   \033[1;37m	White

   To set the terminal back to normal: \033[0;30m

2. Background

   Sequence	Background Color
   \033[0;40m	Black
   \033[0;41m	Red
   \033[0;42m	Green
   \033[0;43m	Brown
   \033[0;44m	Blue
   \033[0;45m	Purple
   \033[0;46m	Cyan
   \033[0;47m	Light gray

3. Cursor Movement

   Escape Code	Action
   \033[l;cH	Move the cursor to line l and column c
   \033[nA	Move the cursor up n lines
   \033[nB	Move the cursor down n lines
   \033[nC	Move the cursor forward n chars
   \033[nD	Move the cursor backward n chars
   \033[2J	Clear the screen and move the cursor to the upper-left corner
   	(line 0, column 0)
   \033[K	Clear from the cursor position to the end of the current line
   \033[s	Store the current cursor position
   \033[u	Recall the stored cursor position