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User Commands nice(1)
NAME
nice - invoke a command with an altered scheduling priority
SYNOPSIS
/usr/bin/nice [-increment | -n increment] command [argu-
ment...]
/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 scheduling priority. The priocntl(1)
command is a more general interface to scheduler functions.
The invoking process (generally the user's shell) must be in
a scheduling class that supports nice.
If the C shell (see csh(1)) is used, the full path of the
command must be specified. Otherwise, the csh built-in ver-
sion 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 increment 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
SunOS 5.10 Last change: 23 Jan 2004 1
User Commands nice(1)
ignored.
OPERANDS
The following operands are supported:
command The name of a command that is to be invoked.
If command names any of the special 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. Otherwise, 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 attri-
butes:
/usr/bin/nice
SunOS 5.10 Last change: 23 Jan 2004 2
User Commands nice(1)
____________________________________________________________
| 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), stan-
dards(5)
SunOS 5.10 Last change: 23 Jan 2004 3
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This page was generated on Wed Sep 12 11:25:08 GMT 2007
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