Modal Commands

You cannot use these commands when Access Method Services is running in Time Sharing Option (TSO).

IF-THEN-ELSE command sequence, which controls command execution on the basis of condition codes
NULL command, which causes the program to take no action
DO-END command sequence, which specifies more than one functional access method services command and its parameters
SET command, which resets condition codes
CANCEL command, which ends processing of the current job step
PARM command, which chooses diagnostic aids and options for printed output.