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The pronunciation of X as ten is favored by Apple, to emphasize continuity with previous Macintosh operating systems such as Mac OS 9. Some people pronounce it ex because of the presence of the roman numeral X in the name of the operating system, or to emphasize the relationship with Unix, or because Apple often refers to specific versions as "Mac OS X 10.4" or variants thereof.
Mac OS X consists of two parts: Darwin, an open source Unix-like environment which is based on the BSD source tree and the Mach microkernel, and a proprietary GUI named AquaAqua is a trade name for the GUI appearance of Apple Computer's Mac OS X operating system. Aqua, as its name suggests, is based around the theme of water, with droplet-like buttons and other elements, and liberal use of transparency and reflection effects, developed by Apple Computer.
A serverThis article is about computer servers. For the food service use, see waiter. In computing, a server is: A computer software application that carries out some task on behalf of users. This is usually divided into file serving, allowing users to store and version of Mac OS X, named Mac OS X ServerMac OS X Server is the server edition of the Mac OS. It is based on the BSD-Unix-based operating system that Apple Computer acquired from Next Computer and which formed the basis of the current Mac OS X. Prior to Mac OS X, Apple's AppleShare services prov, is available. It is identical to the regular version except for the inclusion of tools to run various network services on a computer, such as a mail serverA mail transfer agent or MTA (also called a mail server or a mail exchange server in the context of the Domain Name System) is a computer program or software agent which transfers electronic mail messages from one computer to another. The MTA works behind, a Samba serverSamba is a free software implementation of Microsoft's networking system. As of version 3, samba not only provides file and print services for various Microsoft Windows clients but can also provide domain services, either as a Primary Domain Controller (P, a directory server, and a domain name serverThe Domain Name System or DNS is a system that stores information about host names and domain names in a kind of distributed database on networks, such as the Internet. Most importantly, it provides an IP address for each host name, and lists the mail exc.
Main article: Mac OS X historyMac OS X is the newest of Apple Computer's Mac OS line of operating systems. Although it is officially designated as simply "version 10" of the Mac OS, it has a history largely independent of the earlier Mac OS releases. Development Outside of Apple When
Despite its branding as simply "version 10" of the Mac OS, it has a history largely independent of the earlier Mac OS releases. It is based on the Mach kernel and the BSD implementation of UNIX, which were incorporated into NeXTSTEP, the object-oriented operating system developed by Steve Jobs' NeXT company after he was forced from Apple in 1985. Meanwhile, Apple attempted to create a "next generation" operating system of their own (see Taligent and Copland), but with little success. Eventually, NeXT's OS - by then called OPENSTEP - was selected to form the basis for Apple's next OS, and the company purchased NeXT outright. Jobs was rehired, and later returned to the leadership of the company, shepherding the transformation of the programmer-friendly OPENSTEP into a system that would be welcomed by Apple's primary market of home users and creative professionals, as a project known as Rhapsody. After some missteps which threatened the loyalty of independent developers to Mac OS, and changes of strategy to ease the transition from Mac OS 9 to the new system, Rhapsody evolved into Mac OS X.