gtpm1m0uTPF V4R1 Migration Guide: 3.1 to 4.1

New, Changed, and Obsolete Commands

Table 24 summarizes command changes to the TPF 4.1 system.

Attention: Changes to commands can impact any automation programs you are using in your complex.

See TPF Operations for a complete description of all commands.

Table 24. Changes to Commands for the TPF 4.1 System

Command New, Changed, No Changes, or No Longer Supported? Description of Change
ZACLV Changed Alter Central Processing Unit (CPU) Loop and Create Macro Control Levels.

System shutdown values are now specified in terms of frames, common blocks, ECBs, IOBs, and SWBs (128, 381, and 1055 byte blocks). Positional parameters are no longer supported.

See Modifying and Displaying CPU Loop and Create Macro Control Levels for more information.

ZACOR Changed Alter Core.

You can verify the data you want to alter by specifying up to 16 bytes of data that must match the data at the specified address. If the data does not match, no alteration is done.

The Help function was added.

ZACRS No Changes Alter Computer Room Agent Set (CRAS) Console Status.
ZADCA Changed Alter Dump Tag.

You can verify the data you want to alter by specifying up to 16 bytes of data that must match the data at the specified address. If the data does not match, no alteration is done.

ZAFIL Changed Alter File.

Validation and help facilities were added, and the input format of the message was changed. Also, 4-byte MCHR support was removed; 7-byte MCHR should be used in its place. A new type, GF, is available to designate that the input address is a general file relative record number.

ZAGFL No Changes Alter General File Label Track.
ZALCT No Changes Alter Line Path Status.
ZALMT No Changes Acquire Network Extension Facility (NEF) Long Message Transmitter (LMT) Queue Ownership.
ZAMAP No Changes Online Map File Load and Update.
ZAMOD No Changes Alter Module Status.
ZAPAT New Alter Program Allocation Table (PAT).

Alter an entry in the core copy, file copy, or both copies of the PAT. Some changes take effect immediately; others take effect when you perform an initial program load (IPL) of the system. If you attempt to change an entry associated with a transfer vector, the entry associated with the parent program is changed instead. See Modifying and Displaying the Program Allocation Table for more information.

Note:
You can only change the PAT on the image that is currently active.
ZAPGM Changed Alter Program.

The TYPE parameter is now called the COPY parameter. Use the COPY parameter to alter the core copy, file copy, or both copies of a program. You can update the control program and restart area. You can verify the data you want to alter by specifying up to 16 bytes of data that must match the data at the specified address. If the data does not match, no alteration is done. You can now modify IPLA and IPLB with this command.

You can now specify the version code of the real-time program that you want to alter.

You can use the new LOADSET parameter to specify the name of the loadset that contains the program to alter.

Note:
You can only change a program on the image that is currently active.

The Help function was added.

ZAREC Changed Alter a Fixed File Record or a Pool Record.

The input format of the message was changed significantly. You can verify the data you want to alter by specifying up to 32 bytes of data that must match the data at the specified address. If the data does not match, no alteration is done.

The Help function was added.

ZASER Changed Alter System Error Options

Changed -- Several options were changed or added. See Options that Changed for the ZASER Command for more information.

ZASPT No Longer Supported Alter Slow Poll Interval.

Support for low-speed lines was dropped.

ZATEC No Longer Supported Display and Clear Tape Error Counters.
ZATIM No Changes Add Sysplex Timer Information to Keypoint I.
ZATIM No Changes Alter Time.
ZATME No Changes Reply to Date Change Message.
ZAURS Changed Activate Patch Routine, Activate Print Routine, Unit Record Message Filter.

The ARDR and DPTR parameters are no longer supported because they were associated with the automated patch routine (ARD). The ARD is no longer supported.

ZAUTH No Changes Display/Alter Terminal Log On Authority.
ZAVSN No Changes Alter Volume Serial Number (VSN).
ZBOLT No Changes Start a Binary Synchronous Communication (BSC) Online Test.
ZBUFC No Changes Display Cache Message Formats.
ZBUFC ALLOCATE No Changes Display Cache Allocation Settings, Implement Pending Allocation Changes, Specify Cache and Lock Allocation.
ZBUFC ENABLE No Changes Enable Caching Functions.
ZBUFC FILE No Changes Destage Modified Data from Cache to Direct Access Storage (DASD).
ZBUFC MAP No Changes Map Record Cache Subsystem (RCS) Subsystem ID (SSID)/Device Addresses.
ZBUFC PINNED No Changes Discard Pinned Data, Display Pinned Data Report.
ZBUFC SETCACHE No Changes Set Cache Operating Modes.
ZBUFC STATUS No Changes Display Caching Status.
ZBUFC THRESHLD No Changes Display or Change Input/Output (I/O) Queue Threshold Value.
ZCMKH No Longer Supported Machine Check Utility Message.

There is no replacement. The TPF 4.1 system runs disabled (QUIET) for system recoveries.

ZCNIS No Changes Change Instruction Stream Parameters.
ZCNTM No Changes Start Macro Count Trace.
ZCSON Changed Convert MCHR to file address reference format (FARF) file address.

The K parameter was dropped.

ZCTKA Alter New Alter Storage Allocation Values.

Alter storage allocation values that are initially defined during the system initialization program (SIP) and moved to Keypoint A.

Use to alter the timeout value used to monitor stalled tape module queues.

Note:
When using this command you may receive CTL-00Cs (especially when working in migration mode) if the values for the blocks are changed indiscriminately. Therefore, you may want to consider restricting the use of this command to system programmers.

See Modifying Storage Allocation Values Online for more information.

ZCTKA Display New Display Storage Allocation Values or Tape Queue Timeout Value.

Display alter storage allocation values that are initially defined during the system initialization program (SIP) and moved to Keypoint A.

Use to display the timeout value used to monitor stalled tape module queues.

See Modifying Storage Allocation Values Online for more information.

ZCYCL No Changes Cycle Down/Up (Alter System Operating State).
ZDADD Changed Display file address reference format (FARF) File Addresses from Record Type and Ordinal Number. The processor, I-stream, and subsystem user (SSU) can be specified.
ZDBRI START Changed Start Database Reorganization (DBR) Input Operations.

Field sizes for record type specifications were increased to a 12 KB maximum.

ZDBRI RESTART Changed Restart Database Reorganization (DBR) Input Operations.

Field sizes for record type specifications were increased to a 12 KB maximum.

ZDBRO ABORT No Changes Abort Database Reorganization (DBR) Processing.
ZDBRO BYPASS Changed Bypass Database Reorganization (DBR) Processing of Record Types.
ZDBRO DISPLAY Changed Display Database Reorganization (DBR) Control Record Information.
ZDBRO IECB No Changes Set Database Reorganization (DBR) Input Phase Available ECB Count.
ZDBRO INIT Changed Database Reorganization (DBR) Control Records Initialization and Setup.
ZDBRO OECB No Changes Set Database Reorganization (DBR) Output Phase Available ECB Count.
ZDBRO RESET Changed Reset Database Reorganization (DBR) Information for a Record Type.
ZDBRO RESTART No Changes Restart Database Reorganization (DBR) Output Operations.
ZDBRO START Changed Start Database Reorganization (DBR) Output Operations.
ZDBRO STATUS No Changes Display Database Reorganization (DBR) Output Phase Status.
ZDBRO SWITCH No Changes Restart Database Reorganization (DBR) Output Following Tape Error.
ZDBSI RESTART Changed Restart Database Reorganization (DBR) Input Operations (Multiple Database Function (MDBF)).
ZDBSI START Changed Start Database Reorganization (DBR) Input Operations (Multiple Database Function (MDBF)).
ZDBSO ABORT No Changes Abort Database Reorganization (DBR) Processing (Multiple Database Function (MDBF)).
ZDBSO BYPASS Changed Bypass Database Reorganization (DBR) Processing of Record Types (Multiple Database Function (MDBF)).
ZDBSO DISPLAY Changed Display Database Reorganization (DBR) Control Record Information (Multiple Database Function (MDBF)).
ZDBSO IECB No Changes Set Database Reorganization (DBR) Input Phase Available ECB Count (Multiple Database Function (MDBF)).
ZDBSO INIT Changed Database Reorganization (DBR) Control Records Initialization and Setup (Multiple Database Function (MDBF)).
ZDBSO OECB No Changes Set Database Reorganization (DBR) Output Phase Available ECB Count (Multiple Database Function (MDBF)).
ZDBSO RESET Changed Reset Database Reorganization (DBR) Information for a Record Type (Multiple Database Function (MDBF)).
ZDBSO RESTART No Changes Restart Database Reorganization (DBR) Output Operations (Multiple Database Function (MDBF)).
ZDBSO START Changed Start Database Reorganization (DBR) Output Operations (Multiple Database Function (MDBF)).
ZDBSO STATUS No Changes Display Database Reorganization (DBR) Output Phase Status (Multiple Database Function (MDBF)).
ZDBSO SWITCH No Changes Restart Database Reorganization (DBR) Output Following Tape Error (Multiple Database Function (MDBF)).
ZDCLV No Changes Display Central Processing Unit (CPU) Loop and Create Macro Control Levels.
ZDCOR Changed Display Core.

The display is based on the main system virtual memory (SVM), and is shown in both hexadecimal and printable characters. The new instruction (INSTR) option enables you to disassemble machine code into assembler instructions.

The Help function was added.

ZDCRS No Changes Display Computer Room Agent Set (CRAS) Console Status.
ZDDAT No Changes Display Date.
ZDDCA No Changes Display Main Storage Address of Dump Label.
ZDEAC No Changes File Pool Directory Capture.
ZDEAT New Display ECB Activation Table (EAT).

Display the EAT in order of ascending activation number.

ZDEBE No Changes Tape Control and Block Display.
ZDECD New Set or Display Address Translation Dump Switches.
ZDFIL Changed Display File.

The input format of the message was changed. The display is now in both hexadecimal and printable characters.

4-byte MCHR support was removed; 7-byte MCHR should be used. A new type, GF, is available to designate that the input address is a general file relative record number.

The Help function was added.

ZDFPC No Changes Display File Pool Counts.
ZDGFL No Changes Display General File Label Track.
ZDKAT No Changes Display Keypoint Attributes.
ZDLCT No Changes Display Line Path Status.
ZDMFS No Changes Display Module File Status.
ZDPAT New Display Program Allocation Table (PAT).

Display an entry in the core copy, file copy, or both copies of the PAT. If you attempt to display an entry associated with a transfer vector, the entry associated with the parent program is displayed instead. See Modifying and Displaying the Program Allocation Table for more information.

Note:
You can only display the PAT on the image that is currently active.
ZDPGM Changed Display Program.

The TYPE parameter is now called the COPY parameter. Use the COPY parameter to display the core copy, file copy, or both copies of a program. You can display the control program and restart area. The new instruction (INSTR) option allows you to disassemble machine code into assembler instructions. The display is now in both hexadecimal and printable characters.

You can now specify the version code of the real-time program that you want to display.

You can use the new LOADSET parameter to specify the name of the loadset that contains the program to display.

You can now display IPLA and IPLB with this command.

Note:
You can only display a program on the image that is currently active.

The Help function was added.

ZDRCT Changed Display Routing Control Application Table (RCAT).

The new shutdown (SHUT) option allows you to display shutdown RCAT entries.

ZDREC Changed Display a Fixed File Record or a Pool Record.

The input format of the message was changed. The display is now in both hexadecimal and printable characters.

The Help function was added.

ZDSER No Changes Display System Error Options.
ZDSID No Changes Display System ID.
ZDSMG DEFINE New Define a Data Definition.

Define a data set to the system and assign a data definition name to that data set. A data set can reside on a tape, general file data set, virtual reader, or user-defined input device.

ZDSMG DISPLAY Changed Display a Data Set.

Information about data sets that reside on tape, in a virtual reader, or on other user-defined input devices as well as information about general file data sets now displays.

ZDSMG DM No Changes Dismount a Data Set.
ZDMSG INIT No Longer Supported Initialize.
ZDMSG MT No Changes Mount a Data Set.
ZDMSG RELEASE New Release a Data Set.

Removes a data set from the TPF 4.1 system system. Once a data set is released, it is not defined to the TPF 4.1 system when an initial program load (IPL) is performed.

ZDMSG VTOC No Changes VTOC Display.
ZDSPT No Longer Supported Display Show Poll Interval.

Support for low-speed and airlines line control (ALC) lines

ZDSVC Changed Display SVC Code in Hexadecimal.

This command now displays the index into the secondary supervisor call (SVC) table (indexed for indexed SVCs).

ZDSYS No Changes Display System Operating State.
ZDTAP Changed Display Tape Status.

Added the ability to display all tape devices assigned to a specified group, or display all devices that are enabled for automatic tape mounting.

ZDTEC No Longer Supported Display Error Counters.
ZDTIM No Changes Display Time.
ZDTLB No Changes Display Tape Label.
ZDUMP Changed Real-time Manual Dump.
ZDUPD No Changes Online Directory Update.
ZDVSN No Changes Display Volume Serial Number (VSN)
ZDWGT No Changes Display or Modify Terminal Address Table (WGTA) Control Information.
ZECBL No Changes Long Life ECB Display and Exit Message.
ZFCAP ABORT ALL No Changes Abort Capture of All Modules.
ZFCAP ABORT MOD No Changes Abort Capture of Individual Modules.
ZFCAP ALL Changed Start Capture of All Modules.
ZFCAP ALTER No Changes Change Number of Simultaneous Disk Captures.
ZFCAP CHANGE New Change Capture Maximums.
ZFCAP CLEAR No Changes Restore Capture Keypoint.
ZFCAP DISPLAY New Display Capture Maximums.
ZFCAP EXCEP No Changes Start Exception Recording.
ZFCAP IOTIME No Changes Alter Input/Output (I/O) Delay Time Factor, Display I/O Delay Time Factor.
ZFCAP LOG START No Changes Start Record Logging.
ZFCAP LOG STOP No Changes Stop Record Logging.
ZFCAP MISC R No Changes Restore Keypoint Capture.
ZFCAP MISC S No Changes Start Keypoint Capture.
ZFCAP MOD Changed Start Capture of Individual Modules.
ZFCAP PAUSE No Changes Pause Capture.
ZFCAP RESTART No Changes Restart Capture.
ZFCAP SEXPT No Changes Stop Exception Recording.
ZFCAP STATUS No Changes Display Status and Progress of Capture.
ZFCAP TAPE ADD No Changes Add Tape Drives.
ZFCAP TAPE ALT New Add Alternate Tape Drive.
ZFCAP TAPE DEL No Changes Delete Tape Drives.
ZFDNT No Changes Dismount General File.
ZFKPA No Changes Reply to Insufficient Core Message.
ZFMNT No Changes Mount General File.
ZFMSG New Process Command Characteristics.

Display or change the operational characteristics of a command.

You can also use the ZFMSG command to create new commands online.

ZFRST ABORT ALL No Changes Abort Restore of All Modules.
ZFRST ABORT MOD No Changes Abort Restore of Individual Modules.
ZFRST ALTER No Changes Change the Number of Simultaneous Disk Restores.
ZFRST CAP ALL No Changes Start Restore of All Modules.
ZFRST CAP MCHR No Changes Start Restore of a Specified Address Range.
ZFRST CAP MOD No Changes Start Restore of Individual Modules.
ZFRST CLEAR No Changes Restore Capture and Restore Keypoint.
ZFRST KPT No Changes Restore Keypoint Records.
ZFRST LOG No Changes Start Restore of Logging Records.
ZFRST PAUSE No Changes Pause Restore.
ZFRST RESTART No Changes Restart Restore.
ZFRST STATUS No Changes Display Status and Progress of Restore.
ZFRST STATUS MODULE No Changes Display All Modules in Particular Status, Display Status of Module.
ZFRST TAPE ADD Changed Add Tape Drives.
ZFRST TAPE ALT No Changes Add Alternate Tape Drive.
ZFRST TAPE DEL No Changes Delete Tape Drives.
ZFRST XCP No Changes Start Restore of Exception Recording Records.
ZGAFA No Changes Get File Pool Address.
ZGAFI No Changes Get File Pool Address by ID.
ZGFSP No Changes Miscellaneous File Pool Functions.
ZIDOT New Display and modify dump override table. See Controlling Dump Content for more information.
ZIFIL Changed Initialize Fixed File Data Records. The processor, I-stream, and subsystem user (SSU) unique records can be altered.
ZIMAG CLEAR New Clear a TPF Image.
ZIMAG COPY New Copy Image Components.
ZIMAG DEFINE New Define a TPF Image.
ZIMAG DISABLE New Disable a TPF Image.
ZIMAG DISPLAY New Display a TPF Image.
ZIMAG ENABLE New Enable a TPF Image.
ZIMAG HELP New Display Help Information.
ZIMAG KEYPT New Copy/Restore/Delete Image Keypoints.
ZIMAG KEYPT ABORT New Abort Keypoint Move/Delete Request.
ZIMAG KEYPT CONT New Continue Keypoint Move/Delete Request.
ZIMAG MAKEPHYS New Overlay Logically Referenced Image Components.
ZIMAG PRIMARY New Set the Primary Image.
ZIMAG UNREF New Delete Logically Referenced Image Components.
ZIUMP New Initialize Unsolicited Package Records.
ZLACL Changed Alter CCP Restart/Shutdown Polling Controls.

This command supports only binary synchronous communication (BSC), synchronous link control (SLC), and 3270 local lines. The LS, HS, and AR/FR parameters are no longer supported.

The shutdown and restart levels are based on the size of the input list. The secondary shutdown level for SLC and BSC is no longer supported. The input ENQ discard level for SLC is also no longer supported.

ZLAEC No Changes Alter CCP Error Counts.
ZLAPR No Changes Alter Binary Synchronous Communication (BSC) Priority.
ZLASL No Changes Alter Binary Synchronous Communication (BSC) Send Limit.
ZLASN Changed Assign a Line.

The HS, LS, and AR parameters are no longer supported.

ZLASN CU No Changes Assign a Control Unit.
ZLASP No Changes Alter Binary Synchronous Communication (BSC) Multipoint Line Slow Pool Interval.
ZLATO No Longer Supported Alter Binary Synchronous Communication (BSC) Multipoint Line Timeout Interval.
ZLDCL No Changes Display CCP Restart/Shutdown Polling Controls.
ZLDLE Changed Display CU and Line Error Counts.

The HS, LS, and AR parameters are no longer supported.

ZLDLS No Longer Supported Display Line Status.
ZLDLS AI No Changes Display Synchronous Link Line Status.
ZLDLS BS No Changes Display Binary Synchronous Communication (BSC) Line Status.
ZLDLS CU No Changes Display Communications Control Unit Status.
ZLDLS LC No Changes Display 3270 Local Line Status.
ZLDLS PS No Changes Display Pseudo Lines.
ZLDPT No Longer Supported Display Current Gradual Poll Table Number.

Support for low-speed and high-speed airlines line control (ALC) lines was dropped.

ZLDRS No Longer Supported Display Low-Speed Line Balancing Ratios.

Support for low-speed lines was dropped.

ZLDTE No Longer Supported Display Terminal Interchange (TI) Error Count.

Support for low-speed and high-speed lines was dropped.

ZLDTI Changed Display Terminal Interchange (TI) Status.

The HS and LS parameters are no longer supported.

ZLHUB No Longer Supported Alter Polling to Hub Poll.

Support for high-speed lines was dropped.

ZLIDL Changed Idle a Line.

The HS, LS, and AR parameters are no longer supported.

ZLIDL CU No Changes Idle a Control Unit.
ZLKST No Changes Display Synchronous Link Statistics.
ZLKTF No Changes Stop Synchronous Link Control (SLC) Link Trace.
ZLKTN No Changes Start Synchronous Link Control (SLC) Link Trace.
ZLREP Changed Replace a Line.

The PS, PT, HS, LS, and AR parameters are no longer supported.

ZLREP CU No Changes Replace a Control Unit.
ZLREP PT No Longer Supported Alter Current Gradual Poll Table.
ZLREP RS No Longer Supported Alter Low-Speed Line Balancing Ratios.
ZLRES No Longer Supported Alter (Reset)Terminal Interchange (TI).

Support for EP/ALC, ARINC, LSCT, and LSFR was dropped.

ZLROL No Longer Supported Alter Polling to Roll Call Poll.

Support for airlines line control (ALC) was dropped.

ZLRST Changed 2946-1980-24 Terminal Reset.

This command supports only the network extension facility (NEF).

Internal changes due to dropping of EP/ALC, ARINC, LSCT, and LSFR protocols.

ZLSOF No Longer Supported Stop Teleprocessor Network Simulator/Emulator Program (TPNS/EP) Simulator Operation.

Support for EP/ALC, ARINC, LSCT, and LSFR was dropped.

ZLSON No Longer Supported Start Teleprocessor Network Simulator/Emulator Program (TPNS/EP) Simulator Operation.

Support for EP/ALC, ARINC, LSCT, and LSFR was dropped.

ZLSTA AI No Change Start Synchronous Link Lines.
ZLSTA ALL No Change Start All Lines.
ZLSTA AR No Longer Supported Start an RINC Line or All ARINC Lines.
ZLSTA BS No Changes Start Binary Synchronous Communication (BSC) Lines.
ZLSTA HS No Longer Supported Start a High-Speed Line or All High-Speed Lines.
ZLSTA LC No Change Start 3270 Local Lines.
ZLSTA LS No Longer Supported Start a Low-Speed Line or All Low-Speed Lines.
ZLSTA PS No Changes Start Pseudo Lines.
ZLSTP AI No Changes Stop Synchronous Link Lines.
ZLSTP ALL No Changes Stop All Lines.
ZLSTP AR No Longer Supported Stop an ARINC Line or All ARINC Lines.
ZLSTP BS No Changes Stop Binary Synchronous Communication (BSC) Lines.
ZLSTP HS No Longer Supported Stop a High-Speed Line or All High-Speed Lines.
ZLSTP LC No Changes Stop 3270 Local Lines.
ZLSTP LS No Longer Supported Stop a Low-Speed Line or All Low-Speed Lines.
ZLSTP PS No Changes Stop Pseudo Lines.
ZLTOF No Longer Supported Invalidate a TIA or Time-of-Day (TOD) Synchronization Compatibility (TSC).
ZLTOF BS No Changes Invalidate a Binary Synchronous Communication (BSC) Multipoint Line Station.
ZLTON No Longer Supported Validate a TIA or Time-of-Day (TOD) Synchronization Compatibility (TSC).
ZLTON BS No Changes Validate a Binary Synchronous Communication (BSC) Multipoint Link Station.
ZLTRF No Changes CCP Trace Termination.
ZLTRL Changed Initiate In-Core CCP Trace Recording.
ZLTRN Changed Initiate CCP Trace to Tape.
ZLTST No Changes Perform Synchronous Link P1024 Tests.
ZLVAL No Longer Supported Validate a Line.
ZLVAL AI No Changes Validate a Synchronous Link Line.
ZLVAL BS No Changes Validate a Binary Synchronous Communication (BSC) Line.
ZMCHR No Changes Convert file address reference format (FARF) File Addresses to Extended MCHR Format Addresses.
ZMCPY ALL No Changes All File Copy.
ZMCPY ABORT No Changes File Copy Abort.
ZMCPY RESTART No Changes File Copy Restart.
ZMEAS No Changes a/cn/mmss/sls2s3s4 x -- Start Data Collection in Sampling Mode.
ZMEAS END No Changes Stop Data Collection.
ZMEAS Sctt x No Changes Start Data Collection in Test Mode (continuous).
ZMEAS
Ta/cn/mmss/
sls2s3s4 x
No Changes Start Data Collection in Test Mode (continuous).
ZMEAS TSctt x No Changes Start Data Collection in Test Mode (continuous).
ZMODE New Change Address Dispensing Mode.

Use this command to change address dispensing modes (file address reference format 3 (FARF3), file address reference format 4 (FARF4), or file address reference format 5 (FARF5)) or to display the current address dispensing mode.

ZMPIF DEFINE DEVICE No Changes Define Device.
ZMPIF DEFINE PATH No Changes Define Path.
ZMPIF DELETE No Changes Delete Paths or a Device.
ZMPIF DISPLAY No Changes Display Parameters.
ZMPIF HDW No Changes Hardware Table Record Verification.
ZMPIF KPE No Changes Keypoint E Verification.
ZMPIF PDR No Changes Path Definition Record Verification.
ZMPIF SET No Changes Set Parameters.
ZMPIF START No Changes Start a Path/Device.
ZMPIF STOP No Changes Stop a Path/Device.
ZMPIF TRACE No Changes Trace Path/User.
Z Mxyy No Changes Modify Scroll Display.
ZN No Longer Supported Request Continuation of Output.

Replaced by the ZPAGE command.

ZNACT No Changes Alter Systems Network Architecture (SNA) Path (Alternate to Prime).
ZNALS Changed Display Adjacent Link Station (ALS) Status.

A column was added to the display to indicate whether the path information unit (PIU) trace facility is active or inactive.

ZNALT No Changes Alter Systems Network Architecture (SNA) Printer Path (Prime to Alternate).
ZNCCB Changed Initialize/Display CCB Information.

For display, the conversation control block (CCB) can now be specified only by ordinal number. You can now display a list of CCB IDs for a particular logical unit (LU).

The information displayed now includes the session control block (SCB) address. You can also display CCB information about mapped conversations.

ZNCNS CHANGE New Change Session Limit.
ZNCNS INITIALIZE New Initialize Session Limit.
ZNCNS RESET New Reset Session Limit.
ZNCVT Changed Convert SNA Resource Addresses.

You can specify either a resource identifier (RID) or a session control block (SCB) ID. The SCB ID is used for TPF/APPC sessions.

ZNDLU Changed Display Logical Unit (LU) Information.

Use the new MODE parameter to display specific mode information associated with a remote TPF/APPC LU. You must specify a particular APPC resource name in the ID parameter along with the MODE parameter.

Information was added to the STATUS column of the display to indicate whether the path information unit (PIU) trace facility is active or inactive.

ZNERR No Changes Display or Zero 37x5 NSC Error Counter.
ZNETW DISPLAY No Changes Display Network Subareas Status.
ZNETW ACT Changed Activate a Network Addressable Unit (NAU).

You can no longer activate an LU 6.2 session with this functional message. Use the ZNCNS command instead.

ZNETW INACT Changed Deactivate a Network Addressable Unit (NAU).

The processing for the inactivation of a TPF/APPC primary LU (PLU) that has secondary LU (SLU) threads has changed.

ZNETW MOUNT New Mount a PU 2.1 Channel Adapter.
ZNETW ROUTING No Changes Display Route Information.
ZNKEY Changed Display/Alter the Systems Network Architecture (SNA) Communications Keypoint.

Use the MAXSCB keyword to display the maximum number of session control blocks (SCBs) that are defined to the TPF/APPC sessions.

Use the MAXSNF keyword to display the number of slots in the sequence number field table.

Use the PARACOS keyword to display the class of service name that the TPF 4.1 system uses while building a CDINIT response for a TPF/APPC parallel session.

Use the SINGMODE keyword to define the mode name used for TPF/APPC single sessions initiated by the TPF 4.1 system.

Use the SNAPOLL keyword to display or change the SNA polling interval. The value can range from 1 to 5, where 1 represents 10 milliseconds (ms), 2 represents 20 ms, and so on, up to a maximum of 50 ms.

Use the TRACSZ keyword to display the size of the PIU trace table. The size of the table is represented in 4 KB page units.

ZNLM No Changes Logon Manager Operator Command Entry.
ZNMON No Changes Display Systems Network Architecture (SNA) Resource Statistics.
ZNNCB No Changes Initialize Node Control Block (NCB).
ZNNCS No Changes Display Network Command Status Table (NCST).
ZNOPL FALLBACK New Fall Back to Old Definitions.
ZNOPL LOAD New Load Systems Network Architecture (SNA) Network Definitions.
ZNOPL STATUS New Display systems network architecture (SNA) Resource Status.
ZNOPL UPDATE New Update Dynamic Load.
ZNPIU Changed Display Path Information Unit (PIU) Trace Table.

For TPF/APPC sessions, displays the session control block (SCB) ID.

Additional parameters were added for the TPF 4.1 system.

Up to 999 entries from the PIU trace table can be displayed on the screen.

There are now three different ways to present the PIU data on the screen. You can present the PIU data in a compacted display, a formatted display, or a long display.

ZNPOL START No Changes Start Polling a Systems Network Architecture (SNA) Resource.
ZNPOL STOP No Changes Stop Polling a Systems Network Architecture (SNA) Resource.
ZNPRG No Changes Purge Output Message Transmitter (OMT) Queue.
ZNRPT No Changes Repeat Last Output Message Transmitter (OMT) Message.
ZNRVT Changed Display Resource Vector Table (RVT) Addresses and Contents.

The display is now in both hexadecimal and printable characters.

For the ZNRVT DISPLAY command, use the new MODES parameter to display all the TPF/APPC session modes associated with this partner logical unit (LU). The MODES parameter is not valid unless the partner LU is a TPF/APPC type.

ZNRVT INITIALIZE No Changes Initialize Resource Vector Table (RVT).
ZNSCB New Display Session Control Block (SCB).

Display SCBs for TPF/APPC sessions.

ZNSCB INITIALIZE New Initialize Session Control Block (SCB).

Initialize SCBs for TPF/APPC sessions.

ZNSID New Side Information Table Function.

Initialize, display, change, add, or remove entries from the side information table. You can also use the ZNSID command to load entries to the online side information table from a side information data set that was generated offline.

ZNSPA No Changes Initialize Scratchpad Area (SPA).
ZNTRP Changed Path Information Unit (PIU) Trace Facility.

This command can now be used to activate and deactivate the PIU trace facility. It can also be used to specify which resources to trace, to specify whether or not to automatically write each 4 KB block to the real-time tape once the 4 KB block is full, to display the status of the PIU trace facility, and to specify the length of the request/response unit (RU) to store in the PIU trace table.

ZOLDR ACCEPT New Accept a Loadset.

The programs in the specified loadset replace the programs at the allocated addresses.

ZOLDR ACTIVATE New Activate a Loadset.

The programs in a specified loadset become available for use by new ECBs.

ZOLDR ALTER New Alter E-Type Loader Rules, Alter E-Type Loader Values.

Changes the allocation characteristics of unallocated programs that are loaded and activated using the E-type loader. Also changes values that are used during E-type loader processing.

ZOLDR CLEAR New Structure Initialization.

Initializes all the file resident E-type loader structures.

ZOLDR DEACTIVATE New Deactivate a Loadset.

Prevents new ECBs from entering the programs contained in a specified loadset.

ZOLDR DELETE Changed Delete a Loadset.

Returns E-type loader fixed file records to the TPF 4.1 system.

ZOLDR DISPLAY Changed Display E-Type Loader Information.

Displays information about loadsets, specific programs contained in loadsets, the current program allocation characteristics, and the E-type loader default values that are currently defined in the TPF 4.1 system.

ZOLDR EXCLUDE New Loadset Manipulation.

Removes one or more programs from a specified loadset.

ZOLDR FLBK No Longer Supported E-Type Loader Fallback.
ZOLDR LOAD Changed Load a Loadset.

Reads sets of programs from an input device and loads the programs to the TPF 4.1 system.

ZOLDR RECLAIM New Build and Recover E-Type Loader Records.

Rebuilds the E-type loader database.

ZOLDR REINCLUDE New Loadset Manipulation.

Adds one or more programs to a specified loadset.

ZOLDR REST No Longer Supported E-Type Loader Restart.
ZPAGE New Continue Output.

Replaces the ZN command. Use the ZPAGE command to continue displaying the output of a command when there is more information than can be displayed on the screen at one time.

ZPATH No Changes Path Management.
ZPLMT No Changes Purge long message transmitter (LMT)/output message transmitter (OMT) queue.
ZPOOL Changed Convert Pool Directories or Reset Pool Function Switches.
ZPROT No Changes Add/Delete a Utility Name, Assign/Release Utility Resource Ownership, Assignment of Capture and Restore Utility, Display Ownership.
ZPSMS No Changes Processor Status Management Services.
ZPTAP No Changes Print Tape Status.
ZPTCH New Maintain Memory Patch Decks.

Maintains and processes groups of storage-altering commands (such as ZACOR, ZADCA, and ZAPGM). See Maintaining Memory Patch Decks for more information.

ZPUMP No Changes Police Unsolicited Message Directory Items.
ZRCBI No Changes Initialize Routing Control Blocks.
ZRCRS No Changes Route Message to Computer Room Agent Set (CRAS) Console.
ZRECP No Changes Online File Recoup.
ZRFPC No Changes Reconcile File Pool Counts.
ZRHLD No Changes Delete Lock Names.
ZRHLD Changed Display Lock Names.
ZRHLD No Longer Supported Set Format.
ZRIPL No Changes Control Program (CP) Restart (IPL).
ZRLMT No Changes Repeat Last Long Message Transmitter (LMT)/Output Message Transmitter (OMT) Message.
ZROUT START New Start an Application Active in the Routing Control Application Table (RCAT).
ZROUT STOP New Stop an Application in the Routing Control Application Table (RCAT).
ZROUT STPI No Longer Supported Stop an Application in the Routing Control Application Table (RCAT).
ZROUT STPN No Longer Supported Stop an Application in the Routing Control Application Table (RCAT).
ZROUT STRT No Longer Supported Start an Application Active in the Routing Control Application Table (RCAT).
ZRPGM Changed Retrieve and Lock Program.

Use the new LOADSET parameter to specify the name of the loadset that contains the version of the program.

The display now shows the core address, loadset name, and an activated/deactivated indicator for the version that corresponds to the ECB that issued the ZRPGM command. The ZRPGM ALL command displays all programs and versions locked in main storage, as well as the loadset name, main storage address, and file address for each program version.

ZRSTT No Changes Direct Access Storage Device (DASD) Path and Status Verification.
ZRTCU Changed Record Type Conversion Utility.
ZRTDM DISPLAY OVERRIDES No Changes Display Pool Overrides.
ZRTDM DISPLAY RECID No Changes Display Record ID Attribute Table (RIAT) Entries.
ZRTDM MODIFY OVERRIDES No Changes Modify Pool Overrides.
ZRTDM MODIFY RECID Changed Modify Record ID Attribute Table (RIAT) Entries.
ZSDEA No Changes Online Pool Area Deactivation.
ZSELD No Changes Start Selective File Dump (SFD).
ZSIPC No Longer Supported Alter System Interprocessor Information for DASD IPC, Display System Interprocessor Information for DASD IPC.
ZSIPC No Changes Alter System Interprocessor Information for MPIF IPC, Display System Interprocessor Information for MPIF IPC.
ZSLDR Changed Activate Data Loader.

For loading Systems Network Architecture (SNA) definitions, use the ZNOPL LOAD command rather than the ZSLDR LOAD DATA command. Other functions are unchanged.

ZSNDA No Changes Send Unsolicited System Message to Applications.
ZSNDU No Changes Send Unsolicited System Message to Consoles or Logical Units (LUs).
ZSONS ALTER ERROR COUNTS No Changes Alter Disk Error Counts.
ZSONS ALTER ERROR LIMITS No Changes Alter Error Limits.
ZSONS ALTER HALT No Changes Alter Halt Timeout Value.
ZSONS ALTER SCAN No Changes Alter Scan Time Value.
ZSONS DISPLAY ERROR COUNTS No Changes Display Disk Error Counts.
ZSONS DISPLAY ERROR LIMITS No Changes Display Error Limits.
ZSONS DISPLAY HALT No Changes Display Halt Timeout Value.
ZSONS DISPLAY SCAN No Changes Display Scan Time Value.
ZSPER New Alter and Display Program Event Recording (PER) Options.

Use to specify events to be trapped by the program event recording (PER) trace facility.

ZSQLD No Changes Display and Maintain the Structured Query.
ZSQLD ADD Changed Display and Maintain the Structured Query.
ZSQLD DISPLAY No Changes Display and Maintain the Structured Query.
ZSQLD INITIALIZE No Changes Display and Maintain the Structured Query.
ZSQLD MODIFY Changed Display and Maintain the Structured Query.
ZSQLD REMOVE No Changes Display and Maintain the Structured Query.
ZSTAT Changed Display System Status.

System shutdown values are now specified in terms of frames, common blocks, ECBs, input/output blocks (IOBs), and system work blocks (SWBs) (128, 381, and 1055 byte blocks).

ZSTIM A Changed Added the TIME=NORM parameter option.
ZSTIM C Changed Cancel a Time- or Stage-Initiated Message.

The STMC0001I message is issued now as a result of this command. Previously, the STMD0001I message was issued for the ZSTIM C command as well as the ZSTIM D command.

Note:
This is a code-only change. There are no publication impacts to Messages (System Error and Offline) and Messages (Online).
ZSTIM D Changed Display Time-Initiated Message Table.

For an index that is not valid, this command still issues the CSMP0097I and STMD0001E messages but no longer issues the CSMP0097I and STMD0001I messages.

ZSTIM I No Changes Initialize Time-Initiated Message Table.
ZSTOP No Changes Stop Real-Time-Trace (RTT).
ZSTRC New Alter and Display System Trace Options.

Alter and display system trace options. You can use this message to turn on and off, or display, macro, system log, I/O, Enter/Back, branch traces, block checking mode, and virtual-equals-real (VEQR) logging. See System Log Trace Facility for more information.

ZSTTD No Changes Display the SQL Trace Table Entries.
ZSTVS CLOCK No changes System Test Vehicle (STV) System Clocks Modification.
ZSTVS START No Changes Start System Test Vehicle (STV).
ZSTVS DSPLY No Change Display System Test Vehicle (STV).
ZSTVS PAUSE Changed Pause System Test Vehicle (STV).
ZSTVS STOPT No Changes Stop System Test Vehicle (STV).
ZSTVS TEST RESET No Changes Reset Program Test Vehicle (PTV).
ZSTVS TEST YES Changed Set Program Test Vehicle (PTV) to Phase 3.
ZSTVS TEST STV No Changes Set Program Test Vehicle (PTV) to System Test Vehicle (PTV) Phase.

ZSTVS TEST LIVE No Changes Deactivate Program Test Vehicle (PTV).
ZSTVS TEST END LIVE No Changes End Live Input from Consoles.
ZSYSG ALTER New Alter System Generation Option Values.

Added the BPLOAD parameter.

ZSYSG DISPLAY New Display System Generation Option Settings.
ZTDEV New Modify and Display Tape Device Status for Automatic Tape Mounting.

Enable or disable a tape device for automatic tape mounting. Assign or unassign a tape device to or from a tape group.

ZTERM No Changes Display Console Information.
ZTEST No Changes System Test Driver.
ZTGRP New Define, Delete, and Display Tape Groups.

Define and display tape groups for automatic tape mounting.

ZTHLT No Changes Stop Selective File Dump and Trace (SFDT).
ZTICL No Changes Emergency Tape Removal.
ZTINT No Changes Initialize Tape.
ZTLBL Changed Tape Label Maintenance.

Added the ability to assign tape labels to tape groups.

ZTLMR No Changes Tape Label Record Initialization.
ZTMNT No Changes Tape Mount.

Added the ability to mount an active or standby output tape on a device with an alternate (ALT) tape already mounted on it.

ZTOCU No Changes Tape Dismount by Logical Control Unit.
ZTOFF Changed Dismount, Rewind, and Unload Tape.

Added the ability to rewind and unload a cartridge from a device that does not yet have a tape mounted.

ZTPLD Changed Activate Auxiliary Loader.

You can use this message to load program data from tape or from a general data set (GDS) to a specified TPF image. The image cannot be enabled.

ZTPSW No Changes Manual Tape Switch.
ZTRAC No Changes Start Real-Time Trace (RTT).
ZTRCC No Longer Supported Activate/Deactivate ECB Check.

There is no replacement.

ZTRCE No Changes Start Selective File Dump and Trace (SFDT).
ZTRDY No Longer Supported Ready Tape.
ZTRMT No Changes Remount Tape.
ZTSAL No Longer Supported Display Program File/Main Storage Address, Load Online Allocator.

Replaced by the ZDPAT command.

ZTSTB No Changes Display Tape Status Table Entry.
ZTVAR No Changes Tape Reconfiguration.
ZTWTM No Changes Write Tape Marks.
ZVFAC DEFINE Changed Define Virtual File Access (VFA) Resources.
ZVFAC DISABLE New Disable.
ZVFAC DISPLAY No Changes Display Virtual File Access (VFA) Resources.
ZVFAC ENABLE New Enable.
ZVFAC FLUSH New Flush.
ZVFAC INDICATE No Changes Indicate Virtual File Access (VFA) Measurements.
ZVFAC LOCATE Changed Locate Virtual File Access (VFA) Residents.
ZVFAC PURGE New Purge.
ZVFAC START No Longer Supported Start Virtual File Access (VFA).
ZVFAC STOP No Longer Supported Stop Virtual File Access (VFA).
Z3705 DSP No Changes Display 3705 Status.
Z3705 DMP No Changes Dump 3705 Control Unit.
Z3705 IPL No Changes IPL 3705 Control Unit.
Z3705 CLD No Changes Load 3705 Modules to Online System.
Z3705 PRG No Changes Purge 3705 Dump From Online System.
Z3705 RNT No Changes Reinitialize 3705 Status Indicators.
Z3705 SCR Changed Scratch 3705 Module References.
Z3705 TRC No Changes 3705 Emulation Program (EP) Dynamic Line Trace.