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Working with File Manager
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.
Which tasks can be enhanced
You can supply a procedure with DFSORT or REXX statements to enhance normal File Manager processing according to your own requirements.

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.
- 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.
  - Why enhance File Manager processing?
    Enhanced processing allows end users to easily perform tasks that would otherwise need to be done by skilled application programmers, and to concentrate on business results rather than data processing problems.
  - Which tasks can be enhanced
    You can supply a procedure with DFSORT or REXX statements to enhance normal File Manager processing according to your own requirements.
  - Choosing the right function to enhance
    With enhanced processing it can be unclear which function or panel to invoke for a particular task, and what combination of template, DFSORT and REXX (or FASTREXX) processing is best to use.
  - Creating and supplying a procedure
  - How enhanced processing works
  - REXX and DFSORT Examples
  - Examples of tasks that can be performed easily using FASTREXX
- 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, 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

Which tasks can be enhanced

You can supply a procedure with DFSORT or REXX statements to enhance normal File Manager processing according to your own requirements.

Table 1. Situations in which you can supply an enhanced procedure
This table has three columns.
When performing this task…	REXX	DFSORT
Copying data with the Copy Utility (option 3.3) or DSC function	✓	✓^¹
Editing a data set with the DSEB function (not available in panels)^²	✓
Printing data with the Print Utility (option 3.2) or DSP function	✓	✓^¹
Updating records in a data set with the DSU function (not available in panels)^²	✓
Finding or changing data with the Find/Change Utility (option 3.6) or FCH function	✓

¹ DFSORT cannot be used on a PDS or PDSE.

² You must supply REXX statements with the DSEB and DSU functions. In other situations, this is optional.