.\" Copyright (c) 1980 Regents of the University of California.
.\" All rights reserved. The Berkeley software License Agreement
.\" specifies the terms and conditions for redistribution.
.\" @(#)nice.1 6.2 (Berkeley) %G%
nice, nohup \- run a command at low priority (\fIsh\fR only)
with low scheduling priority.
argument is present, the priority is incremented (higher
numbers mean lower priorities) by that amount up to a limit of 20.
The super-user may run commands with
priority higher than normal
by using a negative priority,
immune to hangup and terminate signals from the controlling terminal.
The priority is incremented by 5.
should be invoked from the shell with `&' in order to
prevent it from responding to interrupts by or
the next person who logs in on the same terminal.
nohup.out standard output and standard error file under
csh(1), setpriority(2), renice(8)
returns the exit status of the subject command.
then commands executed with ``&'' are automatically immune to hangup
signals while in the background.
There is a builtin command
which provides immunity from terminate, but it does not
with a slightly different syntax than described here. The form
``nice +10'' nices to positive nice, and ``nice \-10'' can be used
by the super-user to give a process more of the processor.