In-Depth Series: DOS Number of episodes: 2 Open/closed: open Date of earliest show: 2021-07-30 Date of latest show: 2021-08-27 Series RSS feeds: ogg, spx, mp3 DOS is a general acronym for "Disk Operating System", though it came to refer to the operating system used in the IBM PC, particularly Microsoft's MS-DOS. hpr3410 :: Operating Systems hosted by Ahuka Released: 2021-08-27. Duration: 00:13:48. Flag: Clean. Tags: DOS, early PC computing, operating systems. Here we look at what an operating system is, and how they developed historically. hpr3390 :: Intro to DOS Series hosted by Ahuka Released: 2021-07-30. Duration: 00:13:23. Flag: Clean. Tags: DOS, early PC computing. We begin some technological archeology to explore the old warhorse, DOS.