Prompt env-vars:

PS1
	regular prompt
PS2
	when shell is waiting for more input
PS3
	used only by the shell select-command
PS4
	not a prompt, appears when you have xtrace option set

Note: use single quotes in order to avoid immediate processing (even double quotes are not good enough)


Prompt escapes:

%#
	# - if superuser, else - $
%n
	username
%m
	host (machine) name
%.
	last part of current dir
%~
	full name of current dir
%!
	line number in shell history
%j
	the number of background jobs

%T
	time in 24-hour format
%t (%@)
	time in 12-hour format
%* (%D{%l:%M:%S})
	time in 12-hour format with seconds
%D{%a %b %d}
	date as Mon Jul 19
%w
	Date as 07/19/2004

%B, %b
	turn on/off bold (bright white)
%S, %s
	turn on/off standout (white background, black color)
%U, %u
	turn on/off underline (blue)



Print preview

print -rP '%j%#'

vared PS1
	edit PS1 using zle


Ternary operations:

print -rP 'The last status is %(?.zero.non-zero) '
 -//- ' %(1?/one/not one) '


Prompt themes:

autoload -U promptinit
promptinit

prompt -l
	list prompt themes
prompt <theme>
	load the <theme>