execute a utility with an altered
nice runs utility at
an altered scheduling priority. If an increment is
given, it is used; otherwise an increment of 10 is assumed. The superuser
can run utilities with priorities higher than normal by using a negative
increment. The priority can be adjusted over a range
of -20 (the highest) to 20 (the lowest).
The options are as follows:
- A positive or negative decimal integer used to modify the system scheduling priority of utility.
nice utility exits with one of the
- An error occurred.
- The utility was found but could not be invoked.
- The utility could not be found.
Otherwise, the exit status of
be that of utility.
csh(1), getpriority(2), renice(8)
nice utility is compliant with the
IEEE Std 1003.1-2008 (“POSIX.1”)
-increment option has been
deprecated but is still supported in this implementation.
nice also exists as a built-in to
with a different syntax.
nice utility appeared in
Version 4 AT&T UNIX.