SHELL

check running process in linux

ps -aux 
# (print all processes owned by a user named "x")

check all running processes linux

# memory usage (in percentage) of all the process running with pid
ps -o pid,user,%mem,command ax | sort -b -k3 -r
# all running process
ps aux
# Memory usage of a specific pid(917 is an example here process)
sudo pmap 917 | tail -n 1