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

Changing the display width of columns

You can change the display width of columns in a selection list

You can specify the display width of a columns in either of these ways:

Set the column attributes for a single column:
1. Scroll (if necessary) so that the column is displayed.
2. Position the cursor within the column heading and press Enter to display a Column Details panel.
3. Set the Width value to the number of characters you want to use to display the column.
4. Press the Exit function key (F3) to return to the selection list.
Set the column attributes for one or more columns:
1. Enter the TAILOR primary command to display a list of columns together with their column attributes.
2. Set the Width value to the number of characters you want to use to display each column
3. Press the Exit function key (F3) to return to the selection list.