Mac OS X v10.0 "Cheetah"

Mac OS X version 10.0, code named “Cheetah”, is the first major release of Mac OS X, Apple’s desktop and server operating system. Mac OS X v10.0 was released on March 24, 2001 for a price of US$129. It superseded the Mac OS X Public Beta and preceded Mac OS X v10.1.

Mac OS X v10.0 was a radical departure from the previous “classic” Macintosh operating system and was Apple’s long awaited answer to the call for a next generation Macintosh operating system. It introduced a brand new code base completely separate from Mac OS 9's, as well as all previous Apple operating systems. Mac OS X introduced the new Darwin Unix-like core and a totally new system of memory management. It proved to be a rocky start to the Mac OS X line, plagued with missing features and performance issues, although it was praised for being a good start to an operating system still in its infancy, in terms of completeness and overall operating system stability.[who?]

On March 24, 2001, Apple released Mac OS X v10.0 (internally codenamed Cheetah).[67] The initial version was slow, incomplete, and had very few applications available at the time of its launch, mostly from independent developers. While many critics suggested that the operating system was not ready for mainstream adoption, they recognized the importance of its initial launch as a base on which to improve. Simply releasing Mac OS X was received by the Macintosh community as a great accomplishment, for attempts to completely overhaul the Mac OS had been underway since 1996, and delayed by countless setbacks. Following some bug fixes, kernel panics became much less frequent.

System requirements.

The system requirements for Mac OS X v10.0 were not well received by the Macintosh community, as at the time the amount of RAM standard with Macintosh computers was 64 megabytes of RAM, while the Mac OS X v10.0 requirements called for 128 megabytes of RAM. As well, processor upgrade cards, which were quite popular for obsolete Power Mac G3 computers, were not supported (and never officially have been, but can be made to work through third-party utility programs).

* Supported Computers: Power Macintosh G3, G3 B&W, G4, G4 Cube, iMac, PowerBook G3, PowerBook G4, iBook (The original "Kanga" PowerBook G3 was the only G3-based Mac not to be supported by Mac OS X).
* RAM required:
o 64 MB minimum
o 128 MB recommended
* Hard Drive Space: 1.5 gigabytes
o 800 MB for the minimal install

Features

* Dock – the Dock was a new way of organizing one's Mac OS X applications on a user interface, and a change from the classic method of Application launching in previous Apple Operating Systems.
* XNU kernel – the Unix-like kernel was a first for Macintosh operating systems, and was one of the largest changes from a technical standpoint in Mac OS X.
* Terminal – the Terminal was a feature that allowed access to Mac OS X's underpinnings, namely the Unix core.
* Mail (e-mail client)
* Address Book
* New word processor replacing SimpleText called TextEdit.
* Full preemptive multitasking support, a long awaited feature on the Mac.
* PDF Support (create PDFs from any application)
* Aqua Interface
* Built on Darwin, a Unix-like operating system
* OpenGL
* AppleScript
* Supports Carbon and Cocoa APIs
* Sherlock desktop and Internet search
* Protected memory – memory protection so that if an application corrupts its memory, the memory of other applications will not be corrupted.



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