I'm having some pretty major problems with Mac OS X. Frequent crashes, Dock randomly disappears, general sluggishness, etc. & I think it's time to reinstall.
I heard about a feature called Archive & Install. It sounds like it just re-installs essential system files and doesn't touch anything else. But my question is how much of my development environment will remain intact? I've installed some packages with Homebrew & RubyGems while following Ruby on Rails tutorials. Would I have to reinstall all those?
I'm guessing my Mac apps are safe, even though they're all installed under "Macintosh HD/Applications", and not under my User account?
Would love some advice, thanks.