In fact, the MTA that forms the core of Sendmail for NT is the same as the open source MTA currently used in Unix versions of the product.

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Open source has been used primarily in IT shops and especially on Unix platforms, where a number of necessary components are by tradition open source (things like file systems or graphical user interfaces).

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Apple should also consider including support for the open-source Linux operating system, as well as Unix variants.

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Most of these vendors chose Unix because it began as a free operating system with open source.

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Linux is an open source operating system developed by independent and corporate programmers worldwide which has much of the functionality of the powerful Unix system.

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