Process management

 killing process may lead to data corruption - 

ctrl+Z -> Paused

jobs

background &

jobs

%1 - switch back to foreground for job #1

%2 -

bg 1 -> Paused apps runs in background.

fg 1 -> Brings the app to foreground.

Deprioritize the process - you don't have to kill the process.

"nice"ness value - 0 is default.

-20 to +19 ( minus 20 - TOP priority, usually kernel process like kworker )

#nice -n 11 vim /file1.txt  ( setting priority when starting process )

NI -> 'NI'ceness value.

#renice -n 11 1234 -> changes the priority of the running process

#pgrep vim ( shows all process id linked to "vim")

#killall firefox ( kills all copies for 'firefox' process and their child process )