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Working 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.
Editing techniques
In-place edit

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.
- 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

In-place edit

This type of In-place edit only keeps records in storage that are currently displayed or that have been modified. The data records are replaced in the data set from the modified records kept in storage when you enter a SAVE, END, or FILE command.

When File Manager uses this editing technique, it displays "Inplace Edit" in the top left of the editor panel title line.

File Manager uses this type of edit when you have selected Inplace edit and the data set being edited is too large to be loaded entirely into memory.

The distinctive thing about both In-place edits, as the name is intended to convey, is that records may only be updated in place. Inserts, deletes, and record length changes are not possible. Note that for VSAM RRDS in In-place mode, the delete and insert commands have a slightly different meaning than normal, in that slots may be marked as empty by the delete command and made active again by the insert command.

Related topics

Editing large files

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