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(7) for descriptions of the following attributes:
+--------------------+-----------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+--------------------+-----------------+
|Interface Stability | Standard |
+--------------------+-----------------+
SEE ALSO
sh(1),
attributes(7),
standards(7) February 1, 1995
TRUE(1)