Common Library Definitions

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# Common Library Definitions

This section covers the following topics:

- What are Common Library Definitions?

- Listing Common Library Definitions

- Adding Common Library Definitions

- Deleting Common Library Definitions

## What are Common Library Definitions?

A common library definition is a name reserved for a common library which may or may not exist physically.

You can perform the following commands on common library definitions:

| ADD | MODIFY | COPY | DELETE | INFO | MEMBER
Common Library Definition | X |  |  | X |  |

## Listing Common Library Definitions

To list common library definitions

- Issue the `COMMON` command.

  Or:
  Select the menu item Common Library Definition from the Administration Menu.

  The Common Library Definition List screen appears as in the following example:

       14:51                      ***** Super Natural *****                 1999-05-21
       SBE                   - Common Library Definition List -                  SNMEL
                                                                         More:     +
                        Library prefix: C
                   Cmd  Library
                        *______
                    __  AAA
                    __  AKE
                    __  BRIGGS
                    __  DEMO
                    __  ERROR
                    __  EZA
                    __  HWA
                    __  KE
                    __  KE24
                    __  LCCOMM2
                    __  NKA
                    __  NSNCAQ
                   Add  _______
       Cmd(s): Add, Delete
       Select one command from list
       Command ===>
       Enter-PF1---PF2---PF3---PF4---PF5---PF6---PF7---PF8---PF9---PF10--PF11--PF12---
             Help        Exit              Flip        +                       Canc

  The Library List screen shows the following:

  - Common library prefix

  - Common libraries which are either in use or for which a name has been reserved.

## Adding Common Library Definitions

When you add a common library definition, you do not create a common library directly, but reserve a name for one. A common library does not exist physically until you copy members into it.

To add a common library definition

- Issue the `ADD COMMON common-library-definition-name` command.

  A name is reserved for the a common library.

## Deleting Common Library Definitions

When you delete a common library definition, the library becomes unavailable for your users but still exists physically and is listed in the Libraries List screen.

To delete a common library definition

1. Issue the `DELETE COMMON common library definition-name` command from the Common Library Definition List.

2. Confirm the deletion in the window which appears.

   The library is unavailable to users but still exists physically.

### On this page

- What are Common Library Definitions?
- Listing Common Library Definitions
- Adding Common Library Definitions
- Deleting Common Library Definitions