true(1) User Commands true(1)NAME
true, false - provide truth values
SYNOPSIS
true
falseDESCRIPTION
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 ALSOsh(1), attributes(5), standards(5)SunOS 5.10 1 Feb 1995 true(1)
