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 documentation
for details about the options it supports.