In order to rename a data set, you will need to use ISPF/PDF from the TSO menu. ISPF/PDF is the TSO editor. You will also use ISPF/PDF to create, find, or delete a data set.
First, you will need to log on to TSO. Once you have logged in, you will need to use PDF (option P - ISPF/Program Development Facility) to get to the ISPF Primary Option Menu:
Then choose option 3 - Utilities. This will take you to the Utility Selection Panel:
Choose 2 (Data Set) to rename a data set. At the Data Set Utility screen, choose the R option. If you are changing a library name, enter the Project, Group, and Type under the ISPF Library: heading. For partitioned, sequential, or VSAM data set, enter in single quotes, the Data Set Name in the next section Other Partitioned, Sequential or VSAM Data Set:, and press enter.
You will be prompted with a Rename Data Set screen:
The old data set name will be displayed on the Data Set Name line. To rename the library, type over the qualifiers in the ISPF Library section you wish to change, then press enter. You will then receive either a success or failure message as to the status of your rename.
Please note: If you are having problems remembering the complete data set name, you may want to use the Data Set Listing Utility accessible through PDF (option P), Utilities (option 3), then Data Set Listing (option 4). This Utility is commonly referred to as P.3.4 (pronounced 'P dot 3 dot 4'). Through this utility you may use wild cards to help you locate the name of your/the desired data set.
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