find process by id linux code example

Example 1: linux processes and display process name

#Only processes that are started from the current shell
ps
#To get information about all processes running on the system
ps -A
#This displays all processes running for all users on your system
ps aux

Example 2: how to get process id in linux

lsof -i tcp:3000
kill -9 pId

Example 3: inspect a pid in linux

ps -Flww -p THE_PID