nice − run a program with modified scheduling priority
nice [OPTION] [COMMAND [ARG]...]
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).
arguments to long options are mandatory for short options
add integer N to the niceness (default 10)
display this help and exit
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 documentation for details about the options it supports.
Written by David MacKenzie.
© 2018 Free Software Foundation, Inc. License GPLv3+:
GNU GPL version 3 or later
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
or available locally via: info '(coreutils) nice invocation'