z/OS DFSMS Managing Catalogs
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Using MODIFY CATALOG with System Maintenance Procedures

z/OS DFSMS Managing Catalogs
SC23-6853-00

Operator Commands Discussed in This Section:
  • MODIFY CATALOG,CLOSE
  • MODIFY CATALOG,SYS%
  • MODIFY CATALOG,UNALLOCATE
  • MODIFY CATALOG,VCLOSE
  • MODIFY CATALOG,VUNALLOCATE

The MODIFY CATALOG command can simplify certain system maintenance procedures. However, MODIFY CATALOG options do not prevent users from using catalog resources. If a maintenance procedure is adversely affected by not having exclusive control of a catalog or VVDS, either do not use MODIFY CATALOG or use it in conjunction with other commands.

Parent topic: Working with the Catalog Address Space

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