Welcome to LQ
The best way to check what processes are running on any Linux system (i.e. this should work no matter what distro you're on) is the ps
However, I would suggest that next time you do a web search before asking simple questions like this.
The site I've linked to above is an online version of the Linux man
pages, which you can also access locally using the command of the same name.
Another good reference is Rute User's Tutorial And Exposition
, which covers a lot