--cd to TMS directory trans/bin
redd4ca:D4Cadm 12> tp UNLOCKSYS D4C pf=TP_DOMAIN_D4C.PFL
This is tp version 381.196.35 (release 777, unicode enabled)
tp finished with return code: 0
meaning:
  Everything OK
redd4ca:D4Cadm 15> tp UNLOCK_EU D4C pf=TP_DOMAIN_D4C.PFL
This is tp version 381.196.35 (release 777, unicode enabled)
tp finished with return code: 0
meaning:
  Everything OK

> tp help
This is tp version 381.196.35 (release 777, unicode enabled)
usage:   tp <command> [argument(s)] [option(s)], where <command> may be one of:
-----------------------------+-----------------------------+-------------------
 Exporting                   I Buffer Actions              I Disk Space
-----------------------------+-----------------------------+------------------
 EXPORT       I EXPWBO       I ADDTOBUFFER  I DELFROMBUFFERI CLEAROLD
 R3E          I VERSE        I SETSYNCMARK  I ADDSYNCMARK  I DELSYNCMARK
 CHECK        I SDE          I SETSTOPMARK  I DELSTOPMARK  I TESTOLD
 TST          I              I MARK         I UNMARK       I
              I              I CLEANBUFFER  I              I
-----------------------------+-----------------------------+------------------
 Importing                   I Special Functions           I Information
-----------------------------+-----------------------------+------------------
 PUT          I              I LOCKSYS      I UNLOCKSYS    I SHOWBUFFER
 IMPORT       I              I LOCK_EU      I UNLOCK_EU    I COUNT
 CMD          I R3I          I WRITELOG     I GETPROTS     I SHOWPARAMS
              I              I SAPSTART     I SAPSTOP      I GO
 R3H          I              I GETTBATGENT  I GETTRBATENT  I CONNECT
 ACT          I MVKERNEL     I GETDDXTTENT  I GETDDXTFENT  I CHECKIMPDP
 SXPRA        I SDI          I GETOPENCORR  I CREATECOFILE I SHOWINFO
 GENTB        I GENT1        I PREPAREBUFFERI CREATEINFO   I GETOBJLIST
 GENT2        I GEN          I CONTP        I EXPCHK       I EXTRDOCU
 DIST         I XPA          I SHOWSEMAPHOREI SHOWSEMACLIENI GETCONVENT
 MVNTABS      I VERSI        I SETSEMAPHORE I DELSEMACLIENTI EXPLAINRC
 IMPSYNC      I DELIVER      I DELSEMAPHORE I HANADEPLOY   I GETTPSTATENT
 DEPLOY       I IMPORTPREVIEWI CHECKIN      I CHECKINMOVE  I CHECKOUT
 CHECKDEPLOY  I GETKEYTRACE  I MERGELOGS    I MEPP         I VCSCOMMIT
For more details call tp with the desired command (and no other parameters)