Use showsess to switch to another session from OS/2 protect mode.   Version 1.5a
Syntax:  showsess  <options>
  where OPTIONS are [/  -]c, where "c" is any of:
 	/h OR /?    This help
 	/l          List active sessions
 	/n          List number of active sessions
 	/c          Make the current session foreground
 	/i <n>      Switch to sessionId n (default is DOS)
 	/m          Minimize current session on switching
 	/x          Maximize the session being switched to
 	/z          Send WM_CLOSE to window being switched to
 	/k          DosKillProcess Process associated with session
 	/sSubtitle  Switch to session with "Subtitle" in the title
 	/s"a b.."   Use a quoted string for multiple words
 	/p #####    Switch to session with process ID #####

  By default the program will switch to the DOS box.
  Change the default by setting an environment variable of the program name
  e.g. SET showsess=xxx    sets the default to session xxx
  If xxxx is numeric it is used as in '/i n', otherwise a title search is made
