sunos man page for true

true(1) 							   User Commands							   true(1)

NAME
       true, false - provide truth values

SYNOPSIS
       true

       false

DESCRIPTION
       The  true  utility does nothing, successfully. The false utility does nothing, unsuccessfully. They are typically used in a shell script sh
       as:

       while true
       do
		   command
       done

       which executes command forever.

EXIT STATUS
       true has exit status  0.

       false always will exit with a non-zero value.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO
       sh(1), attributes(5), standards(5)

SunOS 5.10							    1 Feb 1995								   true(1)