Info on that horrible operating system that's a million times better than Micro$oft Windoze. Why do I say it's horrible? Mostly because I don't spend enough time there to know how to do things and figuring it out is often a PITA.

• Bash
• Services

grep MemTotal /proc/meminfo | tr -s ' ' | cut -d ' ' -f 2 | xargs printf "%'d\n" 

Bonus: That particular command tells you how much memory is installed. I think.