For a modern user, MS-DOS 1.0 would feel incredibly primitive — essentially a digital typewriter with file management — but it laid the foundation for Microsoft's entire future software empire.
When Paul Allen finally flew to Albuquerque to demonstrate the software, he carried the paper tape containing the code in his pocket. If the software crashed, the gig was up. He loaded the tape into the Altair, held his breath, and hit enter. first microsoft os
MS-DOS 1.0 was not originally written entirely by Microsoft. Microsoft bought (Quick and Dirty Operating System) from Seattle Computer Products for $50,000, hired its author Tim Paterson, adapted it for the IBM PC, and renamed it MS-DOS. IBM sold it as PC-DOS 1.0 . For a modern user, MS-DOS 1
Altair BASIC set the trajectory for Microsoft's future dominance. He loaded the tape into the Altair, held
They called the manufacturer, MITS (Micro Instrumentation and Telemetry Systems), based in Albuquerque, New Mexico. Gates and Allen claimed they had developed a version of the BASIC programming language that could run on the Altair’s Intel 8080 microprocessor.