The SET command is used to update a record in SYS$SYSTEM:
 CLUSTER_AUTHORIZE.DAT.

 The SET command will create SYS$SYSTEM:CLUSTER_AUTHORIZE.DAT if it
 does not exist.

 Prompts for the cluster group number and cluster password if the qualifiers
 are not specified.

 Format:

        SET [/qualifiers]

Additional information available:

/GROUP_NUMBER/PASSWORD

 /GROUP_NUMBER=n
 /NOGROUP_NUMBER

 Cluster group number. Must be in the range of 1-65535.

 /NOGROUP_NUMBER can only be specified if SYS$SYSTEM:CLUSTER_AUTHORIZE.DAT
 already exists. It is used if the group number is NOT to be changed.

 /PASSWORD=password
 /NOPASSWORD

 Password for cluster access. Must be from 1 to 31 characters in length, and
 must be composed of alphanumeric characters, dollar signs, and underscores.

 /NOPASSWORD can only be specified if SYS$SYSTEM:CLUSTER_AUTHORIZE.DAT
 already exists. It is used if the password is NOT to be changed.