Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=dartmouth.edu header.i=@dartmouth.edu header.b="blx8tg6s"; dkim-atps=neutral From: M Douglas McIlroy Date: Tue, 6 Apr 2021 11:35:22 -0400 To: TUHS main list Subject: [TUHS] PC Unix (had been How to Kill a Technical Conference Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" > I wonder. IBM introduced the IBM PC in August of 1981. > That was years after a non-memory managed version of > Unix was created by Heinze Lycklama, LSX. Is anyone > on this list familiar with Bell Labs management thoughts > on selling IBM on LSX rather than "dos"? IBM famously failed to buy the well-established CP/M in 1980. (CP/M had been introduced in 1974, before the advent of the LSI-11 on which LSX ran.) By then IBM had settled on Basic and Intel. I do not believe they ever considered Unix and DEC, nor that AT&T considered selling to IBM. (AT&T had--fortunately--long since been rebuffed in an attempt to sell to DEC.) Doug