NADGUG Files
NADGUG was the North American Data General User Group. It published a magazine ‘FOCUS’, and maintained a tape archive of useful software which many sites used or adapted to their needs.
As far as I can tell, these dumps contain the last ever distributed versions of the NADGUG public domain/shareware software archive.
- /dg/ack.dmp
 - /dg/benchmark.dmp
 - /dg/bigbro.dmp
 - /dg/ccomp.dmp
 - /dg/concept.dmp
 - /dg/crtedit.dmp
 - /dg/dbcheck.dmp
 - /dg/dumpload.dmp
 - /dg/erp.dmp
 - /dg/filemngr.dmp
 - /dg/focus.dmp
 - /dg/ftncvt.dmp
 - /dg/games.dmp
 - /dg/gutnick.dmp
 - /dg/imslutil.dmp
 - /dg/jag_util.dmp
 - /dg/kermit.dmp
 - /dg/look.dmp
 - /dg/macros.dmp
 - /dg/menudir.dmp
 - /dg/misckerm.dmp
 - /dg/msdos.dmp
 - /dg/softrans.dmp
 - /dg/spell.dmp
 - /dg/tex.dmp
 - /dg/timed_input.dmp
 - /dg/vt100ker.dmp
 - /dg/xfer.dmp
 
Of particular interest is focus.dmp which contains many articles and listings from the FOCUS magazine. Also, games.dmp contains many of the games traditionally found on non-production (a-hem!) MV machines 😏
You can extract these dumps on modern systems using the LoadG utility