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OpenSolaris 2009.06 - man page for nice (opensolaris section 1)

nice(1) 				  User Commands 				  nice(1)

NAME
       nice - invoke a command with an altered scheduling priority

SYNOPSIS
       /usr/bin/nice [-increment | -n increment] command
	    [argument]...

       /usr/xpg4/bin/nice [-increment | -n increment] command
	    [argument]...

   csh Builtin
       nice [-increment | +increment] [command]

DESCRIPTION
       The nice utility invokes command, requesting that it be run with a different system sched-
       uling priority. The priocntl(1) command is a more general  interface  to  scheduler  func-
       tions.

       The  invoking process (generally the user's shell) must be in a scheduling class that sup-
       ports nice.

       If the C shell (see csh(1)) is used, the full path of the command must be specified.  Oth-
       erwise, the csh built-in version of nice will be invoked. See csh Builtin below.

   /usr/bin/nice
       If  nice  executes  commands  with  arguments,  it uses the default shell /usr/bin/sh (see
       sh(1)).

   /usr/xpg4/bin/nice
       If nice executes commands with arguments, it uses /usr/xpg4/bin/sh (see ksh(1)).

   csh Builtin
       nice is also a csh built-in command with behavior different  from  the  utility	versions.
       See csh(1) for description.

OPTIONS
       The following options are supported:

       -increment | -n increment    increment  is a positive or negative decimal integer that has
				    the same effect on the execution of the  utility  as  if  the
				    utility had called the nice() function with the numeric value
				    of the increment option-argument. See nice(2). nice() errors,
				    other  than  EINVAL, are ignored. If not specified, an incre-
				    ment of 10 is assumed.

				    The super-user may run commands  with  priority  higher  than
				    normal  by using a negative increment such as -10. A negative
				    increment assigned by an unprivileged user is ignored.

OPERANDS
       The following operands are supported:

       command	   The name of a command that is to be invoked. If command names any of the  spe-
		   cial built-in utilities (see shell_builtins(1)), the results are undefined.

       argument    Any string to be supplied as an argument when invoking command.

ENVIRONMENT VARIABLES
       See  environ(5)	for  descriptions  of the following environment variables that affect the
       execution of nice: LANG, LC_ALL, LC_CTYPE, LC_MESSAGES, PATH, and NLSPATH.

EXIT STATUS
       If command is invoked, the exit status of nice will be the exit status of command.  Other-
       wise, nice will exit with one of the following values:

       1-125	An error occurred.

       126	command was found but could not be invoked.

       127	command could not be found.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

   /usr/bin/nice
       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |CSI			     |Enabled			   |
       +-----------------------------+-----------------------------+

   /usr/xpg4/bin/nice
       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWxcu4			   |
       +-----------------------------+-----------------------------+
       |CSI			     |Enabled			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO
       csh(1),	ksh(1),  nohup(1), priocntl(1), sh(1), shell_builtins(1), nice(2), attributes(5),
       environ(5), standards(5)

SunOS 5.11				   23 Jan 2004					  nice(1)


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