Explore the world of Mac. Check out MacBook Pro, iMac Pro, MacBook Air, iMac, and more. Visit the Apple site to learn, buy, and get support. In fact, you can see Mac OS X Base System in Disk Utility (under Recovery mode of course) but Disk Utility won't let you erase it. I'm wondering if it forms some sort of 'core' of Mac OS X Lion to use during the recovery process since when doing an Internet Recovery it says 'downloading additional components'. – Jason Waldrop Aug 24 '11 at 2:06. 1.1 How many versions of R for Mac OS X? There is only one version of R for Mac OS X. However, R on Mac OS X can be used either on the command-line as on other Unix systems, or via the R.APP GUI (see R.app). The second approach is mostly preferred by Macintosh users. How to avoid or remove Mac Defender malware in Mac OS X v10.6 or earlier Learn how to avoid or remove Mac Defender malware in Mac OS X v10.6 or earlier. A phishing scam has targeted Mac users by redirecting them from legitimate websites to fake websites which tell them that their computer is infected with a virus.

Mac OS X is Apple's operatingsystem for its line of Macintosh computers. Its interface, known asAqua, is built on a Unix foundation. Although ithas much of the look and feel of the former Mac OS,features such as preemptive multitasking, symmetric multiprocessing,multithreading, and protected memory give Mac OS X improved stabilityand performance. For the current version's system requirements, seeApple's Mac OS XTechnical Specifications.
Currently, four Mac OS X-related products are available:
Mac OS X: This is the version most Macintoshowners should use. It is a consumer operating system designed for useon your personal computer. For more information, see Apple's Mac OS X page and Developer page forMac OS X.
Mac OS X Server: This is Apple's server operatingsystem. It is similar to the consumer release of Mac OS X, but alsoincludes a suite of network services, such as a print server, filesharing, QuickTime streaming, NetBoot, and advanced webhosting. For more information, see Apple's Mac OS X Server page.
Mac Os X Base System Erase

Mac Os X Base System Restore
iOS: Based on Mac OS X, versions of iOS run on theiPhone, the iPod touch, and the iPad. The iOS was designed forhandheld devices, and is much more tightly controlled than otherversions of Mac OS X. Despite their shared origins, applications(apps) developed for iOS are not compatible with Mac OS X, and viceversa.
Mac Os X Base System Locked
Darwin:Darwin is the Unix-likefoundation upon which Mac OS X is based. Its code is opensource, and it is available as a stand-alone operatingsystem. Although Darwin will run many Unix applications, including theX Window System, it does not have the Mac OS X interfaceand thus will not run Mac OS X applications. For more information, seeApple's Developer Open Sourcepage.
