Working with File Manager
- File Manager overview
- Getting started with File Manager
- 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 File Manager, you can manipulate your view of a data set by applying a template.
  - Template types and structure
    A File Manager template is a collection of information that you can use to select and format records and fields in an application data set.
  - Template repository
    The template repository is a VSAM KSDS file that is used to associate a data set or resource name with its corresponding template.
  - Managing templates
  - Manipulating the display of fields in records
  - Managing templates with the Template Workbench
  - Specifying scrambling options
  - Mapping fields between templates
  - Copybook View and Print Utility
    Use the Copybook View and Print Utility to view or print field definition information.
  - XML templates
    A File Manager template can be exported to an external XML format using the Template Export utility.
- Working with the Template List
  Display a list of templates and perform actions on them.
- Filtering records with templates
- Managing data sets
- Using File Manager utilities
- Tape Specific Functions
- Disk/VSAM Data Functions
- OAM Functions
- Using UNIX™ System Services and the Hierarchical File System
- Introduction to programming with File Manager functions
- Enhancing File Manager processing
  You can enhance normal processing of a number of File Manager tasks by supplying a procedure that runs in conjunction with the File Manager 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
  File Manager provides several enhancements to the basic facilities that are available in an ISPF session: Enhanced Reference List, Enhanced Search, Enhanced Change, Indexed Search, and PDSE Workbench.
- File Manager Service Provider for z/OS® Connect Enterprise Edition
  File Manager 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

Changing the attributes for an alphanumeric field

You use the alphanumeric Field Attributes panel to change attributes for an alphanumeric field or set the pattern for created fields.

To change the output width, enter the new width into the Output width field.

The output width is the number of character positions used by edit, view, and print panels to show the field in TABL display or print format. The default output width is the maximum of the number of characters needed to show the field heading (or field name, if no heading is specified), and the number of characters needed to show the value of the field, as determined from the field definition.

The minimum width allowed is six characters. The maximum is 30 or the field width + 10 (whichever is the greater).

You can set any field less than 4 bytes long to be the length field during a segmented template edit. You can specify the length as inclusive or exclusive. If a non-blank value is provided, then the segment length is determined from the binary value contained in the field, and for exclusive fields the field length is added to this value.

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