[Info-vax] TOPS-20 .EXE and TENEX .SAV

Lars Brinkhoff lars.spam at nocrew.org
Sun Sep 18 03:05:07 EDT 2022


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



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