The Space action bar choice enables you to create and maintain data sets. The pull-down choices available for Space are:

Choice

Description

Allocate

Displays a pop-up menu for the allocate action. The choices on the prompt are:

Data Set

The allocate action is used to allocate a partitioned or sequential data set. To allocate a data set:

1. Type the data set name in the Object name field or type an ISPF library name in the ISPF Library fields.
2. Select the Allocate action from the Space action bar choice.
3. Select Data Set from the Allocate Action prompt panel.

Enhanced Data Set

The enhanced allocate action is used to allocate an SMS-managed partitioned or sequential data set. To allocate an SMS data set:

1. Type the data set name in the Object name field or enter an ISPF library name in the ISPF Library fields.
2. Select the Allocate action from the Space action bar choice.
3. Select Enhanced Data Set from the Allocate Action prompt panel.

VSAM Data Set

The VSAM action is used to define, delete, or retrieve information for a VSAM data set. To define, delete, or retrieve information for a VSAM data set:

1. Type the VSAM data set name in the Object name field or enter an ISPF library name in the ISPF Library fields.
2. Select the Allocate action from the Space action bar choice.
3. Select VSAM Data Set from the Allocate Action prompt panel.

Compress

The Compress action is used to recover unused space in a partitioned or sequential data set. To compress a data set:

1. Type the data set name in the Object name field or type an ISPF library name in the ISPF Library fields.
2. Select the Compress action from the Space action bar choice.

Catalog

The Catalog action is used to catalog a partitioned or sequential data set on a direct access device. To catalog a data set:

1. Type the data set name in the Object name field.
2. Type the volume name in the volume field.
3. Select the Catalog action from the Space action bar choice.
   Note: You cannot catalog an SMS-managed data set.

Uncatalog

The Uncatalog action is used to uncatalog a partitioned or sequential data set from a direct access device. To uncatalog a data set:

1. Type the data set name in the Object name field.
2. Select the Uncatalog action from the Space action bar choice.
   Note: You cannot uncatalog an SMS-managed data set.

A confirmation dialog appears if specified in the Workplace Settings panel. See Changing workplace settings for more information.

Information

The Data Set Information action is used to retrieve information about a partitioned or sequential data set. To retrieve data set information:

1. Type the data set name in the Object name field or type an ISPF library name in the ISPF Library fields.
2. Select Information from the Space action bar choice.
3. Select one of these choices from the Information Action prompt panel:

   Data Set Long

   Displays information about the selected data set.

   Data Set Short

   Displays a subset of information about the selected data set.

   VTOC summary

   Displays VTOC information about the selected volume. You must type the volume serial of the VTOC in the volume serial field of the Workplace entry panel.