NAME

true, false − provide truth values

USAGE

false

true

DESCRIPTION

True and false are usually used in a Bourne shell script to test for the appropriate status (true or false) before running (or not running) a list of commands. 

EXAMPLE

     #! /bin/sh
     while false
     do
          command list
     done

DIAGNOSTICS

False has an exit status of non-zero. 

RELATED INFORMATION

csh(1), sh(1).