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From: mjl@ritcv.UUCP (Mike Lutz)
Newsgroups: net.unix
Subject: Re: Compatibility mode for VAX 4.2 BSD
Message-ID: <3@ritcv.UUCP>
Date: Wed, 29-May-85 11:24:47 EDT
Article-I.D.: ritcv.3
Posted: Wed May 29 11:24:47 1985
Date-Received: Thu, 30-May-85 20:55:49 EDT
References: <456@leadsv.UUCP> <203@uwvax.UUCP>
Reply-To: mjl@ritcv.UUCP (Mike Lutz)
Distribution: na
Organization: Rochester Institute of Technology, Rochester, NY
Lines: 12

In article <203@uwvax.UUCP> dave@uwvax.UUCP (Dave Cohrs) writes:

>V7run (compat) emulates version 7 execution.  2.8 and 2.9 executables also
>work, at least they do for system calls that are also on version 7.

Two caveats: separate I&D programs cannot be run under compat, and some
of the older versions did not emulate floating point (or handled
it incorrectly).
-- 
Mike Lutz	Rochester Institute of Technology, Rochester NY
UUCP:		{allegra,seismo}!rochester!ritcv!mjl
CSNET:		mjl%rit@csnet-relay.ARPA