linux man page for nice

NICE(1) 							   User Commands							   NICE(1)

NAME
       nice - run a program with modified scheduling priority

SYNOPSIS
       nice [OPTION] [COMMAND [ARG]...]

DESCRIPTION
       Run  COMMAND  with  an adjusted niceness, which affects process scheduling.  With no COMMAND, print the current niceness.  Nicenesses range
       from -20 (most favorable scheduling) to 19 (least favorable).

       -n, --adjustment=N
	      add integer N to the niceness (default 10)

       --help display this help and exit

       --version
	      output version information and exit

       NOTE: your shell may have its own version of nice, which usually supersedes the version described here.	Please refer to your shell's docu-
       mentation for details about the options it supports.

AUTHOR
       Written by David MacKenzie.

REPORTING BUGS
       Report nice bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report nice translation bugs to <http://translationproject.org/team/>

COPYRIGHT
       Copyright (C) 2010 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       nice(2)

       The  full documentation for nice is maintained as a Texinfo manual.  If the info and nice programs are properly installed at your site, the
       command

	      info coreutils 'nice invocation'

       should give you access to the complete manual.

GNU coreutils 8.5						   February 2011							   NICE(1)