MVS and JES2 Commands

MVS Commands Cheat Sheet

R n,,NOREQ: Normal JES2 startup reply
R n,COLD,NOREQ: JES2 Cold Start startup reply
R n,FORMAT,NOREQ: JES2 formatting (=Really cold) Start startup reply
K E,D: Erase bottom display area on console
K A,NONE: Undefine the display area at bottom of screen
K A,nn: Define a display area of nn lines, counted from the bottom of the screen
K E,1: Delete line 1 (top of screen, usually)
K E,SEG: Delete contents of message segment
K N, PFK=(5,CMD='S GTF,580'),CON=N: Define a PFK
K S,REF: Display current console mode
K S,DEL=RD: Set "roll delete" mode (most common mode)
D U,,,380,2: Display two devices, starting at address 380
D U,DASD,ONLINE: Display all online DASD volumes
D U,DASD,ONLINE,C00,8: Display online DASD volumes beginning at address C00
D C,K: Display list of Control command operands
D DUMP: Status of dump data sets
D A, L: List active jobs and users
D PFK: Display PFK definitions
D R,L: List unanswered messages or actions
D T: Display time and date
C U=userid: Cancel TSO user
M 123,VOL=(SL,volser),USE=STORAGE: Typical mount command
SE 'message': Message to all TSO users