ZZ>
  >         but I don't have the info on how the sesmgr
  > receives the ALT-ESC and CTRL-ESC,
ZZ>

  If you get stuck, the old 16-bit DosSystemService call is what OS/2
  1.x used.  Category 0, service 0 was "wait for hotkey".

ZZ>
  >                                    as well as how to get a
  > list of all the programs running and their PIDs.
ZZ>

  WinQuerySwitchList is how the Window List works.  I've no idea what
  PSTAT does.

  > JdeBP <
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