COMPUTER SOFTWARE
OPERATING SYSTEMS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Linux
|
|
|
Mac OSX
|
|
|
Windows NT Kernel
|
|
|
Unix
|
Detailed explanation-1: -Both the Mac OS X and iOS evolved from an earlier Apple operating system, Darwin, based on BSD UNIX. iOS is a proprietary mobile operating system owned by Apple and it is only allowed to be installed in Apple equipment.
Detailed explanation-2: -No. iOS is actually an ARM variant of Darwin, derived from BSD, a UNIX-like kernel, and Apple’s own Mach kernel extension system. This is pretty different from Linux, which is a monolithic kernel, meaning all the driver code and I/O kit is part of the core kernel. Apple is a hybrid kernel.
Detailed explanation-3: -The kernel of iOS is the XNU kernel. To learn about what “kernel” means in general, see the Wikipedia article. Pre-2.0, it was vulnerable to the Ramdisk Hack and may still be, but iBoot doesn’t allow boot-args to be passed anymore.