The cmdu command from DM produces a report of the last TCL command issued by every active user on the system.
cmdu {(options}
cmdu Page 1 dm,pibs, 10:23:40 19 Feb 2003 pib# location....... user..... md... last.cmd 27 Dick Parr dp ba lu 60 Andy Meyers am qa m 41 Sam Smith ss ba main 33 Lisa Jones lisa ba calls 45 Steve Johnson sj ba termw 38 Fred Foote ff qa to qa