Re: Filesystems (was My First Computer)

["Bill Leary" <Bill_Leary@msn.com>]

<nospam@nouce.bellatlantic.net> wrote in message
3e486be0.2006080240@news.bellatlantic.net">news:3e486be0.2006080240@news.bellatlantic.net...
> >Now that you mention it, when I was running CP/M 3.0 on a Morrow Micro
> >Decision with an HD, I seem to recall briefly running something
(replacement
> >BDOS and CCP, or maybe just CCP) which gave a hierarchical file system
with
> >long (well, 32 character) names.  It did some kind of file-name magic to
>
> No it didn't.

Yes, it did.  Read on.

> The filsystem was flat.

I know.  The CCP and/or CCP & BDOS replacement gave a hierarchial
projection.

> All that was is the ZCPR naming of the user
> directories (in the same file structure).

No, it wasn't ZCPR.

As I said in the remainder of my original paragraph:
---quote---
If you booted the system into normal CP/M 3, all the files had legal,
but unintelligible, names and there was a file which contained the
hierarchical "file system."
---end quote---

All the files, along with this 'file system' file, were in user area 0... or
maybe user area 1.  I'm not sure which, but they were all in that one user
area.

If I did a chdir to, say, /alpha/beta/omega and did a dir and saw myfile.txt
and yourfile.dat the actual filenames on the disk might be A39Z2F1B.TXT and
YCJ227XY.DAT.  If I typed in a command like WORDSTAR MYFILE.TXT the file
system spoofer thing actually executed  WORDSTAR A39Z2F1B.TXT.  That "file
system" file kept the directories and the file name translations and handled
all the overhead to make the standard CP/M file system look like a
hierarchical one to it's own CCP and tools.

When I booted normal CP/M 3 on the system, I saw all these weird file name
along with the file where the "file system" for the hierarchical thing was
kept.

    - Bill