MG—modify group

The MG (modify group) line command can be entered against any directory entry except a symbolic link file. This line command causes the Modify z/OS® UNIX File Owning Group panel to be displayed.

Figure 1. Modify z/OS UNIX File Owning Group panel (ISRUULMG)

   Menu  Utilities  View  Options  Help
 ┌─────────────────────────────────────────────────────────────────────────────┐
 │                     Modify z/OS UNIX File Owning Group                      │
 │ Command ===>                                                                │
 │                                                                             │
 │ Pathname . : /u/myhome/prog1                                                │
 │ Type . . . : File                                                           │
 │                                                                             │
 │ GID Number   108                                                            │
 │ Group ID . . SYSADMIN                                                       │
 │                                                                             │
 │                                                                             │
 │                                                                             │
 │                                                                             │
 │                                                                             │
 │                                                                             │
 │                                                                             │
 │  F1=Help        F2=Split       F3=Exit        F4=Expand      F7=Backward    │
 │  F8=Forward     F9=Swap       F10=Actions    F12=Cancel                     │
 └─────────────────────────────────────────────────────────────────────────────┘


  F1=Help      F2=Split     F3=Exit      F4=Expand    F7=Backward  F8=Forward
  F9=Swap     F10=Actions  F12=Cancel

The Pathname field displays the path name of the selected file. The Type field display the file type for the selected file.

The owning group for the file can be changed by a superuser or the owner by updating one of these input fields on the panel:

GID Number: This field allows you to enter the GID of the new group. This must be a number, in the range 1 to 2147483647, and must be defined as a z/OS UNIX GID in your security data base.
Group ID: This field allows you to enter the group ID of the new group. The group ID must be defined as a z/OS UNIX group in your security data base.