What is Mac OS? - Definition from WhatIs.com
Part of the Operating systems glossary:

Mac OS is the computer operating system for Apple Computer's Macintosh line of personal computers and workstations. A popular feature of its latest version, Mac OS X , is a desktop interface with some 3-D appearance characteristics. OS X has a modular design intended to make it easier to add new features to the operating system in the future. It runs UNIX applications as well as older Mac applications.

Mac OS comes with Apple Computer's iMac and Power Macintosh line of computers.

This was last updated in September 2005
Posted by: Margaret Rouse

Related Terms


  • wearables OS (wearables operating system)

    - A wearable OS is an operating system designed or refactored to satisfy the requirements of wearable computers, which can be significantly from one type of device to another and also different from ... (WhatIs.com)

  • Tizen

    - Tizen is an open source mobile operating system built on the Linux kernel and offered in versions for multiple platforms, including smartphones, tablets, wearable computers, netbooks, digital telev... (WhatIs.com)

  • Windows Registry Editor (regedit)

    - Windows Registry Editor is an operating system tool IT administrators can use to make changes to Windows Registry. (SearchEnterpriseDesktop.com)


  • Operating systems

    - Terms related to operating systems, including definitions about open source and proprietary operating systems and words and phrases about system programs, boot mechanisms, kernels, command interpre...

  • Internet applications

    - This WhatIs.com glossary contains terms related to Internet applications, including definitions about Software as a Service (SaaS) delivery models and words and phrases about web sites, e-commerce ...

Ask a Question. Find an Answer.Powered by ITKnowledgeExchange.com

Ask An IT Question

Get answers from your peers on your most technical challenges

Ask Question

Tech TalkComment



    Contribute to the conversation

    All fields are required. Comments will appear at the bottom of the article.