Before committing to a distro($$$) try it out for a while...i.e. Try Fedora before you go out and purchase Red Hat....
And the differences - well a purchased distro is basically a subscription to maintenance plan. i.e. someone to call when something goes south
And the differences - well a purchased distro is basically a subscription to maintenance plan. i.e. someone to call when something goes south
Slackware 13/ArchLinux - C/Assem/Python