Hi, It’s all semantics. Most signatures are MZ, but some old linkers (not sure if they are even in use) used ZM according to RBIL
Values for the executable types understood by various environments: MZ old-style DOS executable (see #01594 <http://www.delorie.com/djgpp/doc/rbinter/it/94/15.html>) ZM used by some very early DOS linkers, and still supported as an alternate to the MZ signature by MS-DOS, PC DOS, PTS-DOS, and S/DOS -T > On Jun 8, 2015, at 9:16 PM, Steve Nickolas <[email protected]> wrote: > > On Mon, 8 Jun 2015, Antony Gordon wrote: > >> Hi, >> >> See my other email. In DOS, MZ=ZM, I guess Microsoft changed course at >> some point. They are typically called MZ executables. > > I was specifically referring to the specific magic number that would show > up as "ZM" in a text editor. All the files I've seen have the number in > the opposite order such that the magic number appears as "MZ". > > -uso. > > ------------------------------------------------------------------------------ > _______________________________________________ > Freedos-devel mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/freedos-devel
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