SCS Address Space Administration › Operator Communications Interface › SCS Address Space Operator Commands › START Command—Start the SCS Address Space

START Command—Start the SCS Address Space

The START command starts the SCS address space. You can enter START or the S abbreviation. You must have UPDATE authority to the SAF OPERCMDS class resource named MVS.START.STC.procname to use this command.

Note: Do not start the MSMCAUX procedure manually. The MSMCAUX procedure is started by the SCS address space (MSMCPROC).

The START command guidelines are as follows:

• START command parameter values override the JCL EXEC statement PARM keyword parameter values.
• Separate the keywords with two or more parameters with a comma or a space.
• Separate the keywords with two or more subparameters with a comma or a space.
• Parameters are specified as keyword parameters. Subparameters of a keyword can be positional.
• Parameters can be specified in any order.
• Parameter strings can include comments any place there is a space. Begin a comment with the starting comment delimiter (/*). (Optional) End the comments with the ending comment delimiter (*/).
• Parameters that are specified incorrectly are ignored.

This command has the following format:

Start procname[,,,(start_parameters)][,REUSASID=YES][,PARMS='exec_parameters']

procname

Specifies the name of the system PROCLIB member containing the JCL procedure that is used to start the SCS address space. The name is commonly MSMCPROC.

,,,(start_parameters)

(Optional) Specifies the START command parameters for the SCS address space. The START command parameter values override the JCL EXEC statement PARM parameter values.

,REUSASID=YES

(Optional) Specifies that z/OS assigns a reusable address space identifier (ASID) to the SCS address space.

,PARMS=’exec_parameters’

(Optional) Specifies overriding the JCL EXEC statement PARM parameters for the SCS address space with the parameters you specify. The exec_parameter values that you specify override the JCL EXEC statement PARM parameter values.

Examples: Start the SCS Address Space

These examples identify how to start the SCS address space using the START command.

S MSMCPROC,REUSASID=YES,PARMS='CONFIG(SCSPARMS)'

S MSMCPROC,,,(CONFIG(SCSPARMS)),REUSASID=YES