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Microsoft Windows 1.0 is a 16-bit graphical operating environment, developed by Microsoft Corporation. The retail price for Windows 1.0 was $100
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Windows 2000 is a line of operating systems produced by Microsoft Corporation for use on personal computers, business desktops, laptops, and servers. Price: $126.99
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Windows XP is an operating system produced by Microsoft for use on personal computers, including home and business desktops, laptops and media centers. Price:$60-$263 (Proffesional version)
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Mac OS X version 10.2 "Jaguar" is the third major release of Mac OS X, Apple's desktop and server operating system. Created by Apple programmers. Price: $149.99
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Windows Server 2003 is a server operating system produced by Microsoft. Release price: $999
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Mac OS X v10.4 Tiger is the fifth major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Release price: $129.95. Programmer: Apple Teamwork.
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Windows Vista is an operating system released in several variations by Microsoft for use on personal computers, including home and business desktops, laptops, tablet PCs, and media center PCs. Programmers: Microsoft Teamwork. Price: $199.95
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Windows Home Server, code-named Quattro, is a home server operating system from Microsoft. Proggramers: Windows Teamwork: Price: 189.99
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Mac OS X Snow Leopard is the seventh major release of Mac OS X, Apple's desktop and server operating system for Macintosh computers. Programmers: Apple Teamwork. Price: $59.99
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Windows 7 is the current release of Microsoft Windows, a series of operating systems produced by Microsoft for use on personal computers, including home and business desktops, laptops, netbooks, tablet PCs, and media center PCs. Price: $119.99. Programmers: Microsoft teamwork.
