# SDSF

> Mediated Wiki article. Canonical URL: https://mediated.wiki/source/SDSF
> Markdown URL: https://mediated.wiki/source/SDSF.md
> Source: https://en.wikipedia.org/wiki/SDSF
> Source revision: 1340758286
> License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/)

Not to be confused with [Soquel Demonstration State Forest](/source/Soquel_Demonstration_State_Forest).

The **System Display and Search Facility** (SDSF) is a component of [IBM](/source/IBM)'s [mainframe](/source/IBM_mainframe) [operating system](/source/Operating_system), [z/OS](/source/Z/OS), which allows users and administrators to view and control various aspects of the mainframe's operation and system resources using an interactive [user interface](/source/User_interface). Information displayed in SDSF includes [batch job](/source/Batch_job) output, [Unix](/source/Unix) processes, scheduling environments, and the status of external devices such as printers and network lines, batch and system log files and dumps.

## History

When it was a [field-developed](/source/Third-party_software_component) program offering, SDSF was known as the [SPOOL](/source/Spooling) Display and Search Facility The word *SPOOL* was changed to *System* when it became a [program product](/source/Software_as_a_Product) in the late 1980s.[citation needed]

With [z/OS](/source/Z/OS) Release 1.9, SDSF supports a [REXX](/source/REXX) interface, allowing batch programs to use SDSF facilities. This support includes stem variables containing SDSF-originated information.

Prior to z/OS Release 1.10, SDSF was only supported for use with [JES2](/source/JES2) and not [JES3](/source/JES3), although [ISV](/source/Independent_software_vendor) products from [Phoenix Software International](/source/Phoenix_Software_International) and Tone Software were available with similar functionality for JES3.[citation needed] At and beyond z/OS Release 1.10, SDSF fully supports JES3, including some new commands (JDS and ODS) to display the data/sets and job output for JES3 jobs.[1]

With the release of z/OS V1R13, SDSF came packed with some interesting features like cursor-sensitive sort or point-and-shoot sort and extensive support for open logs from Rexx and Java-programmed environments.

## Features

SDSF is organized as a collection of panels where each panel displays information about a specific aspect of the mainframe's operations. These panels are currently provided:

- LOG: To see the current log of system activity.
- DA: "Display Active users/jobs" or running processes.
- I: Input Queue - shows jobs waiting execution.
- H: Jobs on HOLD - either waiting to be released into Input or Output or actual copies of job JCL ([Job Control Language](/source/Job_Control_Language)) or previously executed jobs.
- ST: Displays current status of all jobs. Job list can be filtered using the PRE primary command.
- PR: Displays printers.
- INIT: Displays Initiators (areas where jobs execute or run).
- O: Output Queue
- LINE: Network Job Entry (NJE) Lines
- SR: System Requests
- MAS: Members in a MAS (Multiple Access Spool)
- JC: Job Classes
- PS: z/OS UNIX Processes
- RES: WLM ( Workload Manager) Resources
- ENC: Enclaves
- SE: Scheduling Environments
- PUN: Punches
- RDR: Readers
- NODE: NJE (Network Job Entry) Nodes
- SO: Spool offload
- SP: Spool volumes
- RM: Resource monitor
- CK: Health checker
- ULOG: User session log

On the ST panel, SDSF supports the following commands for each batch job. These commands are translated into a JES2 or JES3 command that performs the desired function:

- C: Cancel a running job
- S: Select job (view only)
- SE: Select edit job (view in edit mode)
- SJ: Show job (view original JCL of the job)
- P: Purge a job (remove entirely)

## See also

- [z/OS](/source/Z/OS) operating system, and its originator [MVS](/source/MVS)

## References

1. Wood, Chip. ["Share Presentation covering z/OS R10 SDSF including the new support for JES3"](http://shareew.prod.web.sba.com/client_files/callpapers/attach/SHARE_in_San_Jose/S2663CW184326.pdf). Retrieved 2008-11-02. [dead link]

## External links

- [IBM System Display and Search Facility](https://web.archive.org/web/20051218080005/http://www-03.ibm.com/servers/eserver/zseries/zos/sdsf/)

---
Adapted from the Wikipedia article [SDSF](https://en.wikipedia.org/wiki/SDSF) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/SDSF?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.