Artikler

 Deleting a data space

When a program does not need the data space any more, it should free the virtual storage and...

 Dumping storage in a data space

On the SNAPX macro, use the DSPSTOR parameter to dump storage from any addressable data space...

 Limiting data space use

The use of data spaces consumes system resources such as virtual, processor, and auxiliary...

 Manipulating data in a data space

Assembler instructions (such as load, store, add, and move character) manipulate the data in a...

 Mapping a data-in-virtual object to a data space

Through data-in-virtual, your program can map a data-in-virtual object to a data space. The...

 Referencing data in a data space

To reference the data in a data space, the program must be in access register (AR) mode....

 Relationship between the data space and its owner

Your program can create a data space, but it cannot own the data space. If the unit of work that...

 Releasing data space storage

Your program needs to release storage when it used a data space for one purpose and wants to...

 Rules for creating, deleting, and managing data spaces

The SCOPE parameter determines what kind of data space a program creates. The three kinds of data...

 Serializing use of data space storage

At many installations, users must share access to data in a data space. Users who are updating...

 Using data spaces efficiently

Although a task can own many data spaces, it is important that it reference these data spaces...