TRUE(1)TRUE(1)NAME
true, false - provide truth values
SYNOPSIStrue
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 STATUStrue 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 │
├────────────────────┼─────────────────┤
│Interface Stability │ Standard │
└────────────────────┴─────────────────┘
SEE ALSOsh(1), attributes(5), standards(5)
Feb 1, 1995 TRUE(1)