v7 man page for true

TRUE(1) 						      General Commands Manual							   TRUE(1)

NAME
       true, false - provide truth values

SYNOPSIS
       true

       false

DESCRIPTION
       True does nothing, successfully.  False does nothing, unsuccessfully.  They are typically used in input to sh(1) such as:

	    while true
	    do
		 command
	    done

SEE ALSO
       sh(1)

DIAGNOSTICS
       True has exit status zero, false nonzero.

																	   TRUE(1)