z/OS Internet Library terms and conditions

Please read and accept our terms and conditions before using the z/OS Internet library.

What's New

The December 2015 refresh of z/OS V2R2 PDF documentation is now available:

IBM z/OS V2R2 Product Documentation available:

Quick Tip: Google "zFavorites" for a quick index to all things z, including this z/OS Internet Library

Search z/OS information in IBM Knowledge Center:

    | 1.13 | 2.1 | 2.2

Download z/OS books in PDF format

| 2.2 | 2.1 | 1.13 | 1.12 | 1.12 |

View and search the z/OS version 1 softcopy collections bookshelves: 

| 1.13 | 1.12 | 1.11 | 1.10 |

Search the z/OS elements and features shelf:

Mobile Elements and features shelf

z/OS V1R13

z/OS V1R12

z/OS V1R11

z/OS V1R10

z/OS V1R9

Search by task or information type:

Mobile Elements and features shelf

Messages and codes via LookAt



Planning and installation**
** Uses the z/OS V1R13 shelves.

Publication titles, filenames, and order numbers by z/OS release


Publication titles, filenames, and order numbers (all publications)

Bookshelf titles and filenames 


z/OS platform publications

Other available publications

z/OS LibraryCenters V1.10 | V1.9 | V1.8 | V1.7 | V1.6 | V1.5 | V1.4
Please note: z/OS Library Centers have been replaced by z/OS Information Centers starting with z/OS V1R11. Information Centers are indexed by Google and other search engines which make finding z/OS documentation even easier.

z/OS Hot Topics newsletters

Learn about key z/OS technical topics and other items of interest.

LookAt Internet message search

Look up messages on the Internet. Enter a message ID and LookAt will return the message description for z/OS, z/VM, and z/VSE messages. Try it out.

Latest z/OS DOC APARs and PTF ++HOLD DOC data

Obtain the latest updates to z/OS elements and features documentation.

z/OS licensed publications

Beginning with z/OS V1R7.0, there are no longer any z/OS elements and features licensed manuals. z/OS elements and features manuals that were licensed in previous z/OS releases have been declassified for z/OS V1R7.0 and you can find them with the rest of the z/OS V1R7.0 unlicensed manuals.

For z/OS releases prior to z/OS V1R7.0, licensed users can obtain the licensed books for z/OS by ordering the z/OS Licensed Product Library collection (LK3T-4307).

IBM softcopy

Get the latest information about IBM technical documentation available on CD-ROM, tape, and the Internet.

How to order IBM publications

You can order, for a fee, additional hardcopy books or softcopy collections by using a toll-free 800 telephone number or by sending an order form to IBM by fax, Internet, e-mail, or direct mail.

IBM Glossary

Visit the IBM terminology Web site where you can access several of the main glossaries created for IBM products


Adobe, the Adobe logo, Acrobat, and the Acrobat logo are registered trademarks of Adobe Systems incorporated.
Microsoft is a trademark of Microsoft Corporation.

Contact IBM

Browse z/OS