true(1)

NAME | SYNOPSIS | DESCRIPTION | EXIT STATUS | ATTRIBUTES | SEE ALSO

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 5.9  Last Revised 1 Feb 1995

NAME | SYNOPSIS | DESCRIPTION | EXIT STATUS | ATTRIBUTES | SEE ALSO