Atom best editor -- how to run command in atom editor?

Normally atom is just a editor but if we want we can create IDE for our purpose.
about atom:

1. install

marek: ~/Documents/dev/ruby $ apm install atom-runner

Installing atom-runner to /Users/marek/.atom/packages ✓

apm is: atom package manager

2. each code you can execute by pressing ctrl + r(alt +r) in linux windows
to kill current running process - ctrl+shift+C

output will be showed on the right site of atom window