Most TSO/E commands have abbreviations. The accepted abbreviation is listed with the command in z/OS TSO/E Command Reference. Following are the commands used in this document and their accepted abbreviations:

 Command        Abbreviation
ALLOCATE ......... ALLOC
HELP ............. H
LOGOFF ........... LOGOFF
LOGON ............ LOGON
LISTCAT .......... LISTC
LISTDS ........... LISTD
PRINTDS .......... PR
PROFILE .......... PROF
RECEIVE .......... RECEIVE
RENAME ........... REN
SEND ............. SE
TRANSMIT ......... XMIT