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computers / alt.sys.pdp10 / TOPS-20 .EXE and TENEX .SAV

TOPS-20 .EXE and TENEX .SAV

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From: lars.s...@nocrew.org (Lars Brinkhoff)
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Subject: TOPS-20 .EXE and TENEX .SAV
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Date: Sun, 18 Sep 2022 07:05:07 +0000
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by: Lars Brinkhoff - Sun, 18 Sep 2022 07:05 UTC

Rich Alderson wrote:
> I believe that the .EXE format for executables was introduced by
> TENEX, the BBN operating system for the PDP-10 with attached BBN
> pager, for experiments in demand-paged virtual memory.

The TENEX format is not exactly the same as the TOPS-20 .EXE, but it's
similar. TENEX names executable files .SAV, not .EXE. TOPS-20 can load
the TENEX format.

I examined the TENEX .SAV format in detail and documented it here:
https://gunkies.org/wiki/TENEX_sharable_save_file

Subject	Author
TOPS-20 .EXE and TENEX .SAV	Lars Brinkhoff