Interface Manager Quezee 3.0

Interface Manager Quezee 3.0 (alternate name is Interface Manager 3.0 -10th Anniversay Edition) - operating system of Windows Quezee family, created by Micosoft and released in May 22, 1980. Its the sucessor to Interface Manager Quezee 2.03 and predecessor to Windows Quezee 3.1x. Its the last Interface Manager Quezee version to support Intel 8080.

Interface Manager Quezee 3.0 was the first popular Windows Quezee version. It was faster than both predecessors (1.x and 2.x) and more easier to work on old PCs. Microsoft stopped support Windows Quezee 3.x in 1991-12-31 and stopped giving license for use in November 1st, 1998.

Development
Development of Interface Manager Quezee 3.0 started at the same time when Interface Manager Quezee 2.1 was released to manafacturing (late 1978) and ended in 1st May 1980. The earliest known Interface Manager Quezee 3.0 pre-release build is build 14 Debug Release (February 22nd, 1979).

Build 14 Debug Release - the earliest Interface Manager Quezee 3.0 build, leaked in 2005-01-13. Not different from Interface Manager Quezee 2.1, expect the kernel was changed from 2.1 to 3.0. Build was confirmed as Alpha.

Build 55 - was leaked in 2004-03-03 and was confirmed as beta version. It has got updated text color - white, when earlier versions has got green text color.

Release Candidate 6 - was leaked in 2005-06-02. Not different from RTM, except the sounds was from Interface Manager Quezee 2.1.

RTM - this is the build, what was released to manafacturing. Has got updated sounds.

Windows Quezee 3.1x
Interface Manager Quezee 3.0x was successed by Windows Quezee 3.1, 3.11. They are last Windows Quezee OSes what has got command prompt as the main interface.