Nekem ezt írja ki:
bandi@bandi-gepe:~$ cpulimit -l 10 firefox
Error: You must specify a target process
Usage: cpulimit TARGET [OPTIONS...]
TARGET must be exactly one of these:
-p, --pid=N pid of the process
-e, --exe=FILE name of the executable program file
-P, --path=PATH absolute path name of the executable program file
OPTIONS
-b --background run in background
-l, --limit=N percentage of cpu allowed from 0 to 100 (mandatory)
-v, --verbose show control statistics
-z, --lazy exit if there is no suitable target process, or if it dies
-h, --help display this help and exit