olemus
protsess, mis tarbib süsteemi ressursse, kuid
ei ole aktiivselt kasutusel
= any running process that uses system resources but is not actively being utilized

ülevaateid
https://askleo.com/what_is_the_system_idle_process_and_why_is_it_using_most_of_the_cpu/

https://unix.stackexchange.com/questions/361245/what-does-an-idle-cpu-process-do

https://en.wikipedia.org/wiki/Idle_(CPU)