Working with Z Data Tools
- Z Data Tools overview
- Getting started with Z Data Tools
- Viewing and changing data sets
  To view data stored in a supported data set, use the View Utility or the Edit Utility.
- Creating and editing templates
  For many tasks performed with Z Data Tools, you can manipulate your view of a data set by applying a template.
- Working with the Template List
  Display a list of templates and perform actions on them.
- Filtering records with templates
- Managing data sets
- Using Z Data Tools utilities
- Tape Specific Functions
  - Specifying tape input or output
  - Specifying the number of tape files to process
  - Processing tapes with data-check errors
  - ASCII translation
  - Exported Stacked Volumes (ESVs)
  - Using primary commands with Tape Specific Functions
  - Tape Browse (option 4.1)
  - Tape Data Copy Function (option 4.2)
  - Tape Update (option 4.3)
  - Tape Record Load (option 4.4)
  - Tape Print (option 4.5)
  - Tape Map (option 4.6)
  - Create Tape Data (option 4.7)
    Use Create Tape Data to write simple test records to a tape file. You specify the tape that is to contain the records, the number of records, and the record length.
  - Tape Label Display (option 4.8)
  - Tape to Tape Compare (option 4.9)
  - Tape Record Scan (option 4.10)
  - Write Tape Mark (option 4.11)
  - Initialize Tape (option 4.12)
  - Erase Tape (option 4.13)
  - Exported Stacked Volume List (option 4.14)
  - Tape Positioning Functions (option 4.15)
- Disk/VSAM Data Functions
- OAM Functions
- Using UNIX™ System Services and the Hierarchical File System
- Introduction to programming with Z Data Tools functions
- Enhancing Z Data Tools processing
  You can enhance normal processing of a number of Z Data Tools tasks by supplying a procedure that runs in conjunction with the Z Data Tools process.
- Redefines criteria
  Redefines criteria can be specified for a field with a REDEFINES clause, or a field that is the target of a REDEFINES clause.
- Enhanced ISPF: Reference List, Search, Change, and PDSE Workbench
  Z Data Tools provides several enhancements to the basic facilities that are available in an ISPF session: Enhanced Reference List, Enhanced Search, Enhanced Change, and PDSE Workbench.
- Z Data Tools Service Provider for z/OS® Connect Enterprise Edition
  Z Data Tools Service Provider for IBM® z/OS® Connect Enterprise Edition enables client applications to access IBM Z data sources using z/OS Connect.
- Function and panel reference lists

Tape Positioning Functions (option 4.15)

When you select Tape Positioning Functions, the Tape Positioning Functions menu shown in Tape Positioning Functions menu is displayed.

Figure 1. Tape Positioning Functions menu

 Process   Options   Help
────────────────────────────────────────────────────────────────────────────────
 Z Data Tools              Tape Positioning Functions

 1  BSF           Backspace file
 2  FSF           Forward space file
 3  BSR           Backspace record
 4  FSR           Forward space record
 5  REW           Rewind
 6  RUN           Rewind and unload







 Command ===> _________________________________________________________________
 F1=Help      F2=Split     F3=Exit      F4=CRetriev  F7=Backward  F8=Forward
 F9=Swap     F10=Actions  F12=Cancel

The Tape Positioning Functions menu allows you to select one of the options shown below. For further information, refer to the online help or the Z Data Tools option indicated.

Backward Space File (see BSF (Backward Space File))
Forward Space File (see FSF (Forward Space File))
Backward Space Record (see BSR (Backward Space Record))
Forward Space Record (see FSR (Forward Space Record))
Tape Rewind (see REW (Tape Rewind))
Tape Rewind-Unload (see RUN (Tape Rewind-Unload))

Note: To correctly position a tape, you should know the format of the tape. Refer to z/OS DFSMS: Using Magnetic Tapes.

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