[hackerspaces] first time seeing tron

[Nathan Loofbourrow]

Ah, yes, good old CP/M. If I recall correctly, the disk directory was itself stored as a file in the filesystem (with bits protecting it from deletion). As a youngster I wanted to find out what happened if you flipped those bits and deleted the directory. I, uh, back things up nowadays.

n

On Sep 4, 2012, at 9:59, Stewart Dickson <mathartspd at gmail.com> wrote:

> I used DEC DOS on a single-user mainframe (pdp11/40) for a year in
> 1984-85.  It was so obvious to me later that MS-DOS was a
> feature-for-feature port of DEC DOS to intel 8086. (Gates and
> Edison...)  -Stewart
> 
> On Tue, Sep 4, 2012 at 11:36 AM, Walter van Holst <walter at revspace.nl> wrote:
>> On 9/4/12 4:16 PM, Frantisek Apfelbeck wrote:
>> 
>>> I just wonder if the “master control program (MCP)” was a kind of vision
>>> of “Windows” coming? Or was it a "generalisation" of "control versus free?"
>> 
>> Stallman hadn't come up with the GPL at that time. Even Windows 1.0 was
>> not out yet. And that was a rather limited layer on top of MS-DOS 3.x,
>> IIRC. Even GeOS and GEM were yet to come.
>> 
>> As others pointed out: it was more about classical mainframe concepts
>> versus the then brand new phenomenon of micro-computers, which let the
>> user decide instead of the high-priests of the mainframe and the mini.
>> 
>> Regards,
>> 
>> Walter
>> 
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