OS X was forked from the FreeBSD 2.x/3.x branch. with kernel mods and the quartz userland. the various OS X releases have corresponding FreeBSD releases. it uses the FreeBSD mach microkernel with os9 compatibility. Darwin is the development builds of OS X versions. the FreeBSD guys backport OS X tech into their OS. OS X is opensource aside from the quartz userland. OS X also includes kernel components from the NeXT step operating system.
Yes! You can Run OSX (mac) and linux at the same time with a virtual machine. I perfer Parallels.
Linux The others are proprietary.
MS Windows, MAC OSX, and GNU/Linux.
When it finishes booting. (Starting Windows\Mac OSX\Linux\Other)
There is no "the" operating system. There are LOTS of different ones available. Windows XP, Windows Vista Linux Mac OSX and much more... There is no "the" operating system. There are LOTS of different ones available. Windows XP, Windows Vista Linux Mac OSX and much more...
Mac OSX Linux Unix MS DOS
* Windows: Everything is presented to user graphically * Mac OSX * Linux running xWindows
OSX is a Operating system derived from BSD, and thus unix... Unbuntu can be skinned to look like and behave like OSX (I did that in about 15 minuets) OSX in a sense is a Desktop environment, but is very resource intensive in contrast to openbox. (If you do it right, a computer running Linux and openbox can boot to login in 15 seconds) (Linux is a derivative of UNIX) So basically, OSX is a way for you to have your computer do the work you want it to do.
yes. but only if you have an intel-based mac.
no
Because only 4% of people use OSX, so no one bothers to attack it. Even less people use Linux, and it is super secure.
yes