On 2018-04-05 7:33 PM, Arthur Krewat wrote: > On 4/5/2018 7:23 PM, Paul Winalski wrote: >> Maybe CP/M and DOS stored file names internally in rad50 or some other >> compressed form, to save space? > Definitely not DOS, and I doubt CP/M did either. Right. CP/M used (restricted) ASCII for directory entries. --T > > art k. > >