> according to https://moddingwiki.shikadi.net/wiki/Microsoft_EXEPACK ,
> the EXEPACK option (which was a precursor to PKLITE, DIET, ... which
> were precursors to UPX) was available for MS link.exe (at least)
> in 1986. which doesn't make 2022 exactly 'modern times'.
according to the same website, and the cited alghorithm, MS EXEPACK was
simply run length encoding, so FDCONFIG.SYS and FDAUTO.BAT were
probably right there in the executable binary.
only DIET, PKLITE and friends used LZ77 compression. probably 1993 or
(slightly) later.
I should have known as the DrDOBBS compression contest was in 1992,
and LZ77 was not yet an (mostly) agreed upon standard.
Tom
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