jobs = lists the jobs that you are running in the background and in the foreground\\
bg = place a job in background\\
fg = continues a stopped job by running it in the foreground\\
Zdroj: https://linuxfrombeginning.wordpress.com/2008/09/29/linux-command-13-jobs-bg-fg-top/\\
http://www.abclinuxu.cz/clanky/jak-spustit-prikazy-na-pozadi-nohup-disown-screen