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Article #3713

Re: Comparison of Alpha, MIPS and PA-RISC-II wanted

#3713
From: Don Stokes
Date: Tue, 29 Dec 1992 05:00
23 lines
1631 bytes
jeh@cmkrnl.com writes:
> To be precisely correct, RMS implements record structure within files.  RMS
> does not implement files.  Files are implemented by the Files-11 XQP, 
> or (for RSX-compatible volumes) the ODS-1 ACP, or (for tapes) by the 
> mag tape ACP.  

While you are correct here, it's not a useful definition (except to internals
types).  My point is that RMS is sufficiently pervasive under VMS that the
normal user or applications programmer has no need to make that distinction;
RMS _is_ the interface to the file system.

Providing a usable interface to the file system is a "joint effort" between
the XQP (&| ACPs) and the higher level RMS calls.  Talking to the XQP 
directly means block I/O only; a good foundation to layer a higher level
system on top of, but not one that's particularly conducive to applications
development.

These things _are_ supposed to run applications, aren't they?  8-)

--
Don Stokes, ZL2TNM (DS555)                        don@zl2tnm.gen.nz (home)
Network Manager, Computing Services Centre            don@vuw.ac.nz (work)
Victoria University of Wellington, New Zealand              +64-4-495-5052
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Newsgroups: comp.sys.dec
Subject: Re: Comparison of Alpha, MIPS and PA-RISC-II wanted
Message-ID: <3936363@zl2tnm.gen.nz>
From: don@zl2tnm.gen.nz (Don Stokes)
Date: 29 Dec 92 05:00:00 GMT
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