mac on linux stuck at waiting for quarts to be installed

You were friends with the brother and now you're considering dating his sister.

He won't get free coffee at the coffee shop because he's pretty, but he'll get the job done dammit. Linux OTH isn't as pretty and the dad encourages him to mess around more, which leads to more freedom but also to a tougher experience overall. It's meant to protect the sanctity of the system against common/nefarious users, not to prevent you from doing what you want. Linux is a do whatever you want, however you want system, Mac is a do whatever you want, however you want as long as you don't touch _ (usually core system files). The differences are mostly minor, Mac (the sister) is a bit prettier and the dad is a bit more protective of her, so you lose a bit of freedom but it's not necessarily a negative as much as a different philosophy. They come from the same father and mother (Unix, FTW!), they share many genetic traits (Terminal, AMP (LAMP/MAMP), X11 FTW!) and have similar friends (there's a fairly large open-source community geared towards the Mac). Consider Linux and Mac OS X as brother and sister.

Mac on linux stuck at waiting for quarts to be installed