From mboxrd@z Thu Jan 1 00:00:00 1970 From: dave@horsfall.org (Dave Horsfall) Date: Fri, 17 Mar 2017 09:17:34 +1100 (EST) Subject: [TUHS] System Economics (was is Linux "officially branded UNIX") In-Reply-To: <1489678815.19703.for-standards-violators@oclsc.org> References: <1489678815.19703.for-standards-violators@oclsc.org> Message-ID: On Thu, 16 Mar 2017, Norman Wilson wrote: > (Contrary to the rude stories one hears, those diags were in fact pretty > thorough.) They sure were... We had a problem with our RK-11 when running Unix, and because it never showed up with RSX it must've been the fault of Unix, right? Wrong... The DEC gingerbeer turned up with something called "DECEX" (for DEC exerciser); it was menu-driven, and you could exercise as much of the system as you wanted (simultaneously). Well, it found that overlapped seeks were not implemented properly on the RK-11 (which Unix used but RSX didn't, and neither did their standard diags). One quick FCO later, and it was fixed; red faces on the part of DEC... -- Dave Horsfall DTM (VK2KFU) "Those who don't understand security will suffer."