Linux "nice" Command Line Options and Examples
change process priority

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


Usage:

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




Command Line Options:

-n
add integer N to the niceness (default 10)
nice -n ...
--help
display this help and exit
nice --help ...
--version
output version information and exitNOTE: your shell may have its own version of nice, which usually supersedes the version described here.Please refer to your shell's documentation for details about the options it supports.AUTHORWritten by David MacKenzie.REPORTING BUGSGNU coreutils online help: <http://www.gnu.org/software/coreutils/>Report nice translation bugs to <http://translationproject.org/team/>COPYRIGHTCopyright © 2017 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 per‐mitted by law.
nice --version ...