#List of os x versions mac os x
Whereas Mac OS X works on Apple Macs and Windows works on Windows PCs, UNIX will work on both, which is why its main usage is on servers.
It is a multiuser and multitasking operating system that works independently of the hardware. It was later spelled as UNIX – a sexier spelling in the IT world! This was considered too complex an OS, and was developed into UNICS: Uniplexed Information and Computing System. The original was named MULTICS – Multiplexed Information and Computing System. UNIX is slightly different, and was originally developed by Ken Thompson, Dennis Ritchie and other developers in the Bell Labs research center. The above three computer operating systems are the major operating systems that have been used over the years for personal computers – PCs and laptops. This is just one example of how operating systems can develop and be hybridized with the acquisition of totally different operating systems! Mac OS X then became simply OS X which is now used to operate Apple Mac computers.
#List of os x versions update
OS X is not simply an update of Mac OS because it uses different architecture: it is a UNIX OS that came about after Apple purchased NeXT Computer that used its NeXTSTEP operating system. Mac OS X became public with Version 10 of Mac OS in 2001. The term ‘disk operating system’ applied to the disks that were essential for computers to run at that time – either hard disks or floppies, the latter used for business computing with Winchester drives in the early days, and floppies used to load software before PCs with lots of internal memory became commonplace. This was extended by Gates to MS-DOS to be used only by Microsoft. DOS: Disk Operating SystemĭOS was the computer operating system used in the early days of computing and was extended to PC-DOS by Bill Gates when Microsoft was asked by IBM to develop an operating system for the IBM personal computers. Here is some information about the most common OS families in use today. There are many computer operating systems, or OS families, available throughout the world. The various OS systems available are known as “OS Families”.Īll your software or apps run on top of the computer operating system – without an OS your computer would do nothing. Each of these devices needs an ‘Operating System’ or OS to run it and control its overall functioning.
You may have a computer, laptop or a mobile device such as a tablet or smartphone. Computer operating systems are essential for any computer to work.
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