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Newsgroups: comp.os.linux.misc
From: (Norm Walker)
Subject: iBCS EMULATOR???
Message-ID: <>
Originator: nwalker@cln
Organization: Education Technology Centre of B.C.
Date: Mon, 8 Aug 1994 06:07:13 GMT
Lines: 7

Why is the iBCS package refered to as an emulator... it adds 
binary compatability not emulating per se.

I have tried it and it works great for everything that I had
Merritt Secondary School - Computer Support Teacher

Newsgroups: comp.os.linux.misc
From: (Mike Jagdis)
Subject: iBCS EMULATOR???
Organization: FidoNet node 2:252/305 - The Purple Tentacle, Reading
Date: Mon, 8 Aug 1994 22:23:00 +0000
Message-ID: <>
Lines: 15

* In message <>, Norm Walker said:

NW> Why is the iBCS package refered to as an emulator... it adds
NW> binary compatability not emulating per se.

Binary compatibility tends to imply handling for a particular format of 
binary. As well as that we have to emulate the behaviour of system calls and 
subsystems which do not correspond to the POSIX-ish flavours used by Linux. 
As well as that we try to identify what type of system the binary was 
compiled on so we can correctly emulate vendor specific extensions/kludges 
to the base standards. Binary compatibility gets the program in to memory - 
from there on we emulate the OS it expects to be running under.


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