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From: ken@argus.UUCP (Kenneth Ng)
Newsgroups: net.followup
Subject: Re: FYI: VM systems on the net
Message-ID: <349@argus.UUCP>
Date: Tue, 15-Jul-86 21:31:28 EDT
Article-I.D.: argus.349
Posted: Tue Jul 15 21:31:28 1986
Date-Received: Wed, 16-Jul-86 04:45:00 EDT
References: <6340MW9@PSUVM> <-121460420@sysvis>
Organization: NJ Inst of Tech., Newark NJ
Lines: 50

In article <-121460420@sysvis>, george@sysvis.UUCP writes:
> 
> > I would just like to take this opportunity to inform people that there are
> > VM systems on the net now.  We've been on for awhile and would now like to
> > be considered in discussions.  UN*X doesn't rule the world.  In fact, it
> > sucks.  (Sorry, that was a flame and there is no more net.flame, boo hoo.)
> > Ok, when posting sources think about us vm folks.  And you vm folks, how
> > about posting some relevant stuff!
> 
> I heard that VM stands for Visceral Maggots.  True?  It's uncommon for an
> "OS" to SUCK down about 40% of the total available machine cycles for overhead,
> as does VM.  That's why it wasn't tagged with an `OS' label, I'm sure.   Who
> needs VM?   Who cares?   IBM didn't have an official `C' compiler as of some
> time ago so what are you going to do with sources that won't compile, and if
> they did, the I/O is handled totally differently?   Batch is bitch, Butch.

Strange, I've been on an IBM 4361 for almost a year and have never used a
batch process, practically everything is interactive.  Also, VM has many
I/O capabilities which are better than Un*x.  For starters, the equivalent
of the Un*x write(1) on VM does not go splattering all over whatever else
is being displayed on the screen.  By default  it is displayed on a seperate
screen, or if you write the control logic, you can even intercept the
wwrites and do whatever you want with them.

> If VM is so great, why
> aren't all the "good" microcomputers  [IBM/AT (-:]  using it?

I believe one of the higher PC models does use a variation of VM.  But
VM on a single process machine does not really make much sense.  Furthermore
a lot of VM's power is in its hardware implementation, the paging and
lookaside tables for example.

Lastly, is there really a reason why programs posted here have to be
in C?  

-- 
Kenneth Ng:
Post office: NJIT - CCCC, Newark New Jersey  07102
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