If you press the help key (PF1), the following panel is displayed:
GENERAL HELP INFORMATION Enter command on the first line and press ENTER (after returning from HELP). Options can be abbreviated to the minimum to make them unique. ? before command gives COMMAND SYNTAX CHECK and prevents execution. To expand a value or variable to full screen, position cursor using TAB key and press ENTER. PF KEY HELP INFORMATION PF01 HELP HELP INFORMATION PF02 HEX SWITCH HEX/CHAR PF03 END END SESSION PF04 EIB EXEC INTERFACE BLOCK PF05 VAR VARIABLES PF06 USER USER DISPLAY PF07 SBH SCROLL BACK HALF PF08 SFH SCROLL FORWARD HALF PF09 MSG MESSAGES PF10 SB SCROLL BACK PF11 SF SCROLL FORWARD PF12 UNDEFINED USE ENTER TO RETURN