In this guide, I bring to you a very helpful Python script that allows users to know how much memory each program uses under Ubuntu or Debian. Here are the instructions to install and run this script: Via the Terminal, run these commands: wget http://www.pixelbeat.org/scripts/ps_mem.py mv ps_mem.py /usr/local/sbin/ chmod 755 /usr/local/sbin/ps_mem.py To check RAM usage,