MS-DOS Is 30 Years Old Today - Slashdot

An anonymous reader writes "Thirty years ago, on July 27 1981, Microsoft bought the rights for QDOS (Quick and Dirty Operating System) from Seattle Computer Products (SCP) for $25,000. QDOS, otherwise known as 86-DOS, was designed by SCP to run on the Intel 8086 processor, and was originally thrown together in just two months for a 0.1 release in 1980 (thus the name). Meanwhile, IBM had planned on

[haseharu]

MS-DOS