Hello everyone! First of all... let me say that I am sort of a "newbie" when it comes to things like this concerning a Mac... and I am in no way proficient in the world of computers... So this might be a *really* stupid question, forgive me. My mac mini has received lots of love (and lots of use) this year and as of lately it's been running a little slower than usual. I'm guessing it might have to do with how much crap I have shoved onto it... I only have 10.75GB of disk space left..... So my plan is to now go through and do a massive delete of anything on my computer that is unneeded and a back up of anything I want to keep but probably won't need in the immediate future, to give it a little bit more breathing room. When I used to use windows (gasp!), when I would do this, I would run the "disk clean-up" utility as well as the disk defragmenter. Does mac have anything similar to those things that I should run to maximize performance on my machine once I'm done "cleaning" it out? Also, there used to be folders that I would dig into on windows to delete components of programs that I had downloaded and since deleted, that didn't get deleted with the program... or perhaps things that firefox may have downloaded while I was using it... are there any folders like that hiding on my mac that I could go through to get rid of unnecessary garbage? Any other suggestions? Thanks, I really appreciate any help you can give me!