find all running processes linux code example

Example 1: find operating system linux

#Get details about linux distro
cat /etc/os-release

Example 2: show all processes linux

ps -aux | less

Example 3: how to list running processes in linux

ps -ef 

OR

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

Example 4: command running processes linux

ps -u [username]