can you run linux within mac os x?

Apple offers a free version of the emulator qemu, so I guess you could install Linux under that.

Of course, most open-source tools that run on Linux are also available in versions for Mac OS X, because OS X is built on another flavor of Unix (BSD).

If your goal is more focused on running applications than on running the OS, see the list of open source Unix software Apple offers for OS X.

No, as the mac os x require a unique type of processor where as linux is only able to work on specifis single and dua; core processor pc, so you can not do that.

it depends on what processor you're using - intel or ppc for a start.

if your using intel then you might be able to install in parallel (for windows) within windows (ie 'emulating' in windows)...

or use boot camp to install windows, boot to windows and install via windows on your harddrive

There are free things to download but I would not suggest doing it as it voids whatever warranty you have on your computer.

if you have one of the new ones with the intel chip, you can triple-boot osx, windows and linux

google it

yes just go to rajabell.com for instructions

nope