how to list all the processes running in linux code example

Example 1: show all processes linux

ps -aux | less

Example 2: check running process in linux

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

Example 3: how to list running processes in linux

ps -ef 

OR

ps -ef | grep <process-to-filter> 
e.g 
ps-ef | grep node