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Oh. So it should be no trouble for you to whip up a replacement for the outdated and soon-to-be-demised OS/400, then, right? Since you invented the concepts in the first place? Joe > -----Original Message----- > From: owner-mi400@midrange.com [mailto:owner-mi400@midrange.com]On > Behalf Of Leif Svalgaard > Sent: Monday, May 21, 2001 8:33 PM > To: MI400@midrange.com > Subject: Re: why the 16meg space size limit? > > > > So when would I expect to see OS/LEIF out? > > been there, done that. > > OS/LEIF1 was called the RC4000, > which Per Brinch Hansen and I wrote in 1967. In it we > invented the process concept, message passing, > the micro-kernel, event handling, etc. The S/38-AS/400 > was a confused re-implementation of these ideas. > > OS/LEIF2 was a special-purpose OS for the > Danish Weather Service main computer (1971). > > OS/LEIF3 was an OS for the Data General Nova > to allow it to be used as what in the AS/400 is called > an IOP (1974). > > OS/LEIF4 was a real-time OS to run a solar telescope > at Stanford. Still in operation since 1976. > > OS/LEIF5 was a multitasking OS on the PC (1990) > allowing it to run any number of DOS sessions > concurrently. +--- | This is the MI Programmers Mailing List! | To submit a new message, send your mail to MI400@midrange.com. | To subscribe to this list send email to MI400-SUB@midrange.com. | To unsubscribe from this list send email to MI400-UNSUB@midrange.com. | Questions should be directed to the list owner/operator: dr2@cssas400.com +---
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