Links

Process monitoring

ps

ps(1) - Linux manual page - Report a snapshot of the current processes.
ps aux

top

top(1) - Linux manual page - Display Linux tasks
top

pspy

GitHub - DominicBreuker/pspy - Monitor linux processes without root permissions
pspy64

psmonitor.sh

Monitor process changes
#!/bin/bash
IFS=$'\n'
op=$(ps -eo command)
while true; do
np=$(ps -eo command)
diff <(echo "$op") <(echo "np")
sleep 1
op=$np
done