NAME

true, false − return zero or one exit status respectively

SYNOPSIS

true

false

DESCRIPTION

The command true does nothing, and returns exit code zero.  The command false does nothing, and returns exit code one.  They are typically used to construct command procedures. 

RETURN VALUE

Exit values are:

 0 always from true.

 1 always from false.

EXAMPLES

This command loop will be executed forever:

while true
do
command
done

SEE ALSO

sh(1). 

STANDARDS CONFORMANCE

true: SVID2, XPG2, XPG3

false: SVID2, XPG2, XPG3

Hewlett-Packard Company  —  HP-UX Release 7.0: Sept 1989