CMDMCS= parameter for procedures

Use the CMDMCS= parameter in IMS, DCC or DBC procedures to enable commands to be entered from MCS or E-MCS consoles.

The following table shows the procedures that describe the valid keywords for each online system type.

Table 1. Procedures for online systems
Online system type	Procedure name
DB/DC	IMS
DCCTL	DCC
DBCTL	DBC

The following subparameters apply to the IMS and DCC procedures.

N: Commands cannot be entered from an MCS console. N is the default.
Y: Commands can be entered from an MCS or E-MSC console by entering the command recognition character (CRC) followed by the command text.
R: Commands can be entered from an MCS console in the form CRC followed by the command text. The system calls RACF® (or equivalent) to verify that the user ID of the console is authorized to issue the command.
C: Commands can be entered from an MCS console in the form CRC followed by the command text. DFSCCMDO is called to verify that the user ID of the console is authorized to issue the command.
B: Include options R and C. RACF (or equivalent) is called first. After RACF is called, the SAF return code, RACF return code, and RACF reason code are passed to DFSCCMD0. The return codes are decoded into a security code that is also passed to DFSCCMD0. DFSCCMD0 determines whether the command is authorized for the user ID of the console.

This is an optional subparameter. If you do not select B, C, or R, commands can be entered from an MCS console. Neither RACF nor DFSCCMD0 is called to verify that the user ID of the console is authorized to issue the command.

The following subparameters apply to the DBC procedure.

Y: Commands can be entered from an MCS or E-MSC console by entering the command recognition character (CRC) followed by the command text. Y is the default.
R: RACF (or equivalent) is called to verify that the user ID of the console is authorized to issue the command.
C: DFSCCMD0 is called to verify that the user ID of the console is authorized to issue the command.
B: Include options R and C. RACF (or equivalent) is called first. After RACF is called, the SAF return code, RACF return code, and RACF reason code are passed to DFSCCMD0. These return codes are decoded into a security code that is also passed to DFSCCMD0. DFSCCMD0 determines whether the command is authorized for the user ID of the console.

Note: CRC for DB/DC does not work for restart commands. The ability to issue IMS commands using the CRC or IMSID in a DB/DC environment is available if the proper specification of the CMDMCS parameter is supplied. However, this does not work for restart commands /ERESTART and /NRESTART. You must enter these commands the same as before. After restart is complete, you can enter commands by using the CRC or the IMSID.