Speaking of file systems, here's a thought that was 
probably answered fifteen years ago and lost in the
annals of time:

Would it have been possible to mount an MPE/V file 
system on an MPE/XL machine as a User/Private Volume?

That would have been interesting to see.

BT
NNNN
Tracy Johnson
MSI Schaevitz Sensors 

> -----Original Message-----
> From: Stan Sieler [mailto:[log in to unmask]]
> Sent: Sunday, June 09, 2002 5:15 PM
> To: [log in to unmask]
> Subject: Re: [HP3000-L] MPE File System
> 
> 
> Re:
> > Does anybody have a simple one-line definition as to what 
> type of file
> > system is used by MPE? This should exclude all reference to 
> the Posix HFS.
> 
> Depends...some people include the directory (file naming/locating)
> mechanism in with the file system.  If you don't do that, then you
> can omit POISX and HFS:
> 
> So...here's my one liner:
>    The MPE file system is a record-oriented file system.
> 
> That contrasts with a one liner for Unix:
>    The Unix file system is a byte-stream oriented file system.
> 
> BTW, both MPE and Unix locate files via hierarchical naming 
> structures,
> usually referred to as a "Hierarchical File System".
> 
> I could expand:
>    The MPE file system is a record oriented file system that provides
>    device independent access to physical devices as well as providing
>    a hierarchical naming system for files on disk, along with a rich
>    set of APIs to access information about files.
> 
> And:
>    The Unix file system is a byte-stream oriented file system 
> that provides
>    some degree of device independent access to physical 
> devices as well
>    as providing a hierarchical naming system for files on 
> disk, along with
>    a basic set of APIs to access some information about files.
> 

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