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 repeats without end:

while true
do
command
done

SEE ALSO

sh(1). 

STANDARDS CONFORMANCE

true: SVID2, XPG2, XPG3, proposed POSIX.2 FIPS (June 1990)

false: SVID2, XPG2, XPG3, proposed POSIX.2 FIPS (June 1990)

Hewlett-Packard Company  —  HP-UX Release 8.05: June 1991