Abstract for MVS System Commands
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Summary of changes
Summary of changes for z/OS Version 2 Release 1 (V2R1), as updated February 2015
Summary of changes for z/OS Version 2 Release 1 (V2R1), as updated March 2014
z/OS Version 2 Release 1 summary of changes
System operations
Starting, loading, and initializing the system
Starting the system
Preparing the system hardware
Loading the system software
Explanation of the A=INITIALIZE SYSTEM CONTROL PROGRAM, A2 Field
Explanation of the A=INITIALIZE SYSTEM CONTROL PROGRAM, A3 Field
Initializing the system software
Specifying an Alternate Master Catalog
Specifying System Parameters Not Defined in LOADxx
Setting the Time and Date
Initializing MCS, HMCS and SMCS consoles
Logging on to the system
Starting and specifying parameters for the job entry subsystem
Controlling the system
Displaying current system status
Displaying the status of devices and availability of paths
Sending commands to systems in a sysplex
Using commands that have sysplex scope
Sharing system commands
Using system symbols in commands
Display static system symbols
Know the rules for using system symbols
Cautions in using system symbols
Determine where to use system symbols
Using wildcards in commands
Setting the time and changing the system parameters
Using the system restart function
System restart procedure
Responding to IEA502A
Responding to BLW004A
Activating a workload management service policy
Controlling time-sharing
Controlling jobs
Starting a job
Stopping a job
Cancelling a job
Passing information to a job
Restarting a job
Automatic restart
Deferred restart
Controlling started tasks
Controlling system information recording
System management facilities
System trace
The generalized trace facility
Master trace
Component trace
Logrec recording medium
Controlling automatic tape switching
Defining automatically switchable devices
Displaying information about automatically switchable devices
Interacting with system functions
Device allocation
Device assignment
Automatic volume recognition
Hot I/O detection
Device boxing
Boxed device - operator actions
Recovery for a failing alias unit control block (UCB)
Boxed tapes under tape management system control
Tape boxed due to lost assign
Printer boxed due to lost assign
Command flooding
Class M1 commands
Class M2 commands
Class M3 commands
Class C1 commands
Class C2 commands
Class C3 commands
Inline commands
Setting up hardware event data collection
Accessing the output from a hardware event data collection run
Interpreting the z/OS UNIX system services output files
Counter sets output in a .CNT file
Load module mapping output in a .MAP file
Sampling function output in a .SMP file
HISSERV service overview
Bypassing HIS to exploit the CPU Measurement Facility
Responding to failing devices
Quiescing the system
Stopping the system
Recovery from hardware problems
Hardware problems
Hardware to operating system recovery actions
Information provided with machine checks
CPU errors
Soft CPU errors
Hard CPU errors
Terminating errors on CPUs
Terminating errors on multiprocessors
Alternate CPU recovery (ACR)
Service processor damage
Permanent failure
Temporary failure
Storage errors
Soft storage errors
Hard storage errors
Effects of storage errors
High speed buffer (Cache)
Channel subsystem errors
Channel report words (CRWs)
Channel path recovery
Terminating error
Recovery actions for a channel path error with shared DASD or assignable devices
Permanent error condition
Initialized condition
Channel path alert conditions
Subchannel recovery
Monitoring facility recovery
I/O device errors
I/O errors
Missing interrupts
Hot I/O
Example IECIOSxx parameters for hot I/O recovery
Hot I/O recommendations
Recovery for hung devices
Recovery for failing devices
Recovery for channel path errors
Shared device recovery
Operator actions
Unconditional reserve/alternate path recovery
DASD maintenance and recovery
Diagnosing problems in a switched fabric
Switched fabric topology terminology
Control unit port function
Symptoms and causes of fabric problems
Detection and reporting of fabric problems
Additional recovery actions
Recovery by CPU restart
System Reconfiguration
Dynamic I/O configuration
Logical and physical reconfiguration
Reconfiguration support according to processor types
Uniprocessor (UP)
Multiprocessor (MP)
Reconfiguring a central processor
Actions to reconfigure a central processor offline
Reconfiguring a central processor with an ICRF
Actions to bring online a central processor and its ICRF
Removing the last ICRF
Actions to take offline a central processor and its ICRF
Reconfiguring central storage
Physical view of central storage
Specifying the RSU parameter
Reconfigurable storage increments
RSU example
RSU parameter specification
Assignment of storage frames
Actions to reconfigure central storage
Reconfiguring channel paths
Actions to reconfigure channel paths
Reconfiguring I/O devices
Reconfiguring a coupling facility
z/OS operator console operations
Console characteristics and operations
General characteristics of display consoles
Subsystem use of consoles
Multiple-console configuration
Features on display consoles
Display screen areas
L= Operand
Special screen characters
Messages sent to display consoles
Operations on display consoles in full-capability mode
Performing basic keyboard actions
How to enter commands
Entering commands with the keyboard
Moving the cursor
Typing the command
Entering the command
Correcting command entry errors
Entering commands with program function keys
Identifying PFK definition errors
Checking the commands defined for each PFK
Entering commands assigned to PFKs in conversational mode
Entering commands assigned to PFKs in nonconversational mode
Responses to PFK errors
Displaying the PFK numbers on 3277 model 2 consoles
Entering commands with the selector pen
Entering commands with the selector pen in conversational mode
Changing information in the entry area
Substituting characters
Inserting characters
Deleting characters
Blanking the entry area
Handling consoles in error conditions
System errors
Responding to an error message in the message area
Responding to an error message in the WARNING line
Responding to an inactive console
Console hardware errors
Responding to error messages centered on the screen
Responding to a blank screen
Responding to a locked keyboard
Responding to Console Message Backups
Responding to WTO buffer shortages
Responding to WTOR buffer shortages
Processing MVS messages at the system console during system recovery
Placing a console in offline status
Interchanging your consoles on a control unit
Defining and changing console characteristics
Using operator commands to change CONSOLxx statements
The CONSOLE statement of CONSOLxx
The INIT statement in the CONSOLxx member
The HARDCOPY statement in the CONSOLxx member
The DEFAULT statement in CONSOLxx
Displaying information about console characteristics
Changing console characteristics
System commands grouped according to system command authority
MVS commands, RACF access authorities, and resource names
Changing the authorization of a console
Defining console use
Using a status display console
Controlling displays on status display consoles
Using a message stream console
Using a full-capability console
Controlling system messages and commands
Defining routing codes for a console
Defining message levels for a console
Controlling the format of messages
Controlling the message processing facility (MPF)
Displaying information about messages awaiting action
Controlling the action message retention facility
Controlling message flood automation
Activating WTO and WTOR installation exit routines
Checking message processing, retention, and presentation options
Defining program function keys (PFKs)
Defining PFKs using PFK tables
Defining PFKs using the CONTROL command
The PFKTABxx and PFKs
Processing hardcopy
The hardcopy message set
Selecting messages for the hardcopy message set
Selecting commands and command responses for the hardcopy message set
The hardcopy medium
The system log
The operations log
Assigning the hardcopy medium
MVS system commands reference
Command syntax notation
How to read syntax conventions
System command formats
Typical format
A second format
ACTIVATE command
Restrictions
Syntax
Parameters
CANCEL command
Syntax
Parameters
CHNGDUMP command
Dump options and modes
Dump modes
Changing the dump mode and options
Scope in a sysplex
Syntax
Removing options from or resetting the system dump options lists
Parameters
Options for SDUMP, SYSABEND, SYSUDUMP, and SYSMDUMP
Resetting dump mode to add and the dump options to initial values
Example: how CHNGDUMP commands affect dump modes and options
Setting the dump modes and options
CMDS command
Syntax
Parameters
CONFIG command
Syntax
Reconfiguring the system directly
Reconfiguring the system with a CONFIGxx parmlib member
Reconfiguring the system in response to a configuration display
CONTROL command
Scope in a sysplex
Syntax
Changing out of line display area specifications
Deleting retained action messages
Halting the printing or the display of a status display
Controlling displays in areas
Removing information from the screen
Activating, deactivating, or displaying the status of the action message retention facility
Changing or displaying the number of allowed WTL SYSLOG buffers
Changing or displaying the number of allowed WTO and WTOR message buffers
Changing the time the system waits for ROUTE command responses
Increasing the maximum number of reply IDs
Changing or displaying the status of WTO installation exit IEAVMXIT
Displaying the SMCS APPLID of the current system and VTAM generic resource name for SMCS
Setting the APPLID of the system
Setting or turning off the VTAM generic resource name for SMCS
Changing a PFK definition
Deleting message queues
Changing or displaying message deletion and format specifications
Changing the operating mode of a console
Selecting the message levels for a console
DEVSERV command
Using the DEVSERV QDASD option
Using the DEVSERV QTAPE option
Using the DEVSERV QPAVS option
Using the DEVSERV QLIB option
Syntax
Parameters
QDASD or QD
QTAPE or QT
QPAVS or QP
QPAVS output formats
QLIB or QL
Examples
DISPLAY command
Scope in a sysplex
Syntax
Displaying MVS device allocation group locks information
Displaying MVS device allocation settings information
Displaying MVS device allocation IGDE information
Displaying APPC/MVS information
Displaying ASCH configuration information
Displaying auxiliary storage information
Displaying auto-reply policy and WTORs information
Displaying the current system level language environment run-time options
Displaying CONTROL command functions
Displaying attached coupling facility information
Displaying console group definitions
Displaying console status information
Displaying DIAG parmlib information
Displaying data lookaside facility information
Displaying dump options or dump data set status
Displaying extended MCS information
Displaying the timer synchronization mode and ETR ports
Displaying global resource serialization information
DISPLAY GRS,ANALYZE,LATCH outputs
Displaying Generic Tracker information
DISPLAY GTZ,STATUS Command
Syntax
Parameters
DISPLAY GTZ,TRACKDATA command
Syntax
Parameters
DISPLAY GTZ,EXCLUDE command
Syntax
Parameters
DISPLAY GTZ,DEBUG command
Syntax
Parameters
Displaying hardware event data collection status
Displaying Basic HyperSwap information
Displaying TSO/E parmlib information
Displaying I/O configuration information
Displaying captured UCB information
Displaying IOS control unit group information
Displaying dynamic channel path management information
Displaying encryption key manager (EKM) status
Displaying zHPF facility status
Displaying FICON switch data information
Displaying IOS group information
Displaying IOS HYPERPAV information
Displaying the IBM zHyperWrite data replication status
Displaying MIDAW facility status
Displaying MIH and I/O timing limits
Displaying IOS recovery options
Displaying IOS storage residency information
Displaying the devices stopped by the IOACTION command
Displaying IPL information
Displaying PCIE-related parameters
Displaying system activity
Information for the LIST operand
Using wildcards to display system activity
Displaying started task status
Output (when the member contains a procedure)
Output (when the member contains a job)
Displaying library lookaside information
Displaying the system logger and its log streams
Restrictions
Syntax
Examples
Displaying the logrec recording medium
Restrictions
Syntax
Displaying system configuration information
Displaying message flood automation information
Displaying MVS message service status and languages
Displaying message suppression, retention, color, intensity, and highlighting options
Displaying z/OS UNIX System Services Status
Displaying operator information (OPDATA)
Displaying PCIE information
Displaying PARMLIB information
Displaying commands defined for PFKs
Displaying PPTs
Displaying registered products
Displaying Entries in the List of APF-Authorized Libraries
Displaying PROG defaults
Displaying dynamic exits
Displaying LNKLST information
Displaying LPA information
Displaying the status of the REFRPROT option
Displaying the status of the TRACKDIRLOAD option
Displaying system requests
Displaying resource recovery services (RRS) information
Displaying SLIP Trap Information
Displaying SMF data
Displaying storage management subsystem information
Displaying information about all subsystems
Displaying static system symbols
Displaying the local and coordinated universal time and date
Displaying component or transaction trace status
Displaying device status and allocation
Displaying Unicode services
Displaying virtual storage information
Displaying workload manager information
Displaying cross system coupling facility (XCF) information
DUMP command
Wildcards
Syntax
Parameters
Specifying dump options
DUMPDS command
Syntax
Adding system dump resources
Enabling and disabling automatic dump data set allocation
Making dump data sets ready to receive dumps
Deleting system dump resources
Setting the name-pattern for dump data sets
FORCE command
Considerations
Syntax
Parameters
HALT command
Syntax
IOACTION command
Syntax
Parameters
LIBRARY command
LOG command
Syntax
Parameters
LOGOFF command
Syntax
LOGON command
Syntax
Parameters
MODE command
Syntax
Controlling the recording of hard machine check interruptions
Controlling the recording of system recovery and degradation machine check interruptions
Displaying recording and monitoring status
MODIFY command
Summary of MODIFY
Using asterisks in MODIFY commands
MODIFY command syntax
Syntax
Parameters
Passing information to a z/OS UNIX System Services application
Controlling the CIM server
Modifying TSO/VTAM time sharing
Communicating with system REXX
Controlling z/OS UNIX System Services (z/OS UNIX)
Communicating with the catalog address space
Processing the common event adapter (CEA) parameters
Refreshing the common event adapter (CEA) component information
Displaying the common event adapter (CEA) component TSO/E address space information
Managing common event adapter (CEA) REXX exec tracing
Displaying the common event adapter (CEA) environment
Disconnecting the common event adapter (CEA) from the IPCS sysplex dump directory data set
Adjusting the common event adapter (CEA) mode of operation
Communicating with the device manager address space
Changing the DLF processing mode
Changing the DLF parameters
Displaying DLF status
Starting, configuring, and stopping hardware event data collection
Building and replacing library lookaside directories
Operating with the network file system server
Managing the object access method (OAM)
Recycling z/OS UNIX System Services (z/OS UNIX)
Dynamically activating maintenance for z/OS UNIX System Services (z/OS UNIX)
Stopping a physical file system (PFS) through a logical file system (LFS) interface
Replacing the sysplex root file system in the shared file system configuration (z/OS UNIX)
Stopping a temporary file system (TFS)
Changing the virtual lookaside facility (VLF) parameters
Enabling and disabling the Application Response Measurement (ARM) services
Starting, stopping and modifying options for the guest platform management provider
Changing workload manager resource states
Specifying data set selection criteria for an external writer
Causing an external writer to pause
MODIFY (F) JES3 commands
MONITOR command
Scope in a sysplex
Syntax
Parameters
MOUNT command
Scope in a sysplex
Syntax
Parameters
Tape library dataserver considerations
Tape multi-volume considerations
PAGEADD command
Syntax
Parameters
PAGEDEL command
Syntax
Parameters
QUIESCE command
Syntax
REPLY command
Using system symbols in REPLY commands
Scope in a sysplex
Syntax
Replying to system information requests
Replying to system requests during recovery processing
Replying to system security WTORs
Setting the time-of-day clock
Specifying component trace options
Specifying dump options
Specifying SMF options
Specifying system parameters
RESET command
Scope in a sysplex
Syntax
Forcing a hung console offline or freeing console resources
Changing service classes or quiescing work
Restrictions
ROUTE command
Restrictions
How MVS displays aggregated response from ROUTE
Using system symbols in ROUTE commands
Syntax
Parameters
SEND command
Scope in a sysplex
Syntax
Communicating with other operators
Communicating with specified users
Communicating with all logged-on terminal users
Saving messages in the broadcast data set
Listing the notices section of the broadcast data set
Deleting a message from the broadcast data set (notices section)
SET command
Scope in a sysplex
Syntax
Parameters
SETALLOC command
Syntax
Parameters
SETAPPC command
Syntax
Parameters
SETAUTOR command
Syntax
Parameters
Examples
SETCEE command
Syntax
Parameters
SETCON command
Scope in a sysplex
Syntax
Parameters
SETETR command
Syntax
Parameters
SETGRS command
Syntax
Parameters
Examples
SETGTZ command
Syntax
SETGTZ TRACKING command
Syntax
Parameters
SETGTZ CLEAR command
Syntax
Parameters
SETGTZ EXCLUDE command
Syntax
Parameters
SETGTZ DEBUG command
Syntax
Parameters
SETGTZ DIAGNOSE command
Syntax
SETHS command
Syntax
SETIOS command
Syntax
Parameters
SETLOAD command
Syntax
Parameters
SETLOGR command
Scope in a Sysplex
Syntax
SETLOGR CTRACE command
Syntax
Parameters
SETLOGR FORCE command
Syntax
Parameters
SETLOGR MONITOR command
Syntax
Parameters
SETLOGR ZAI command
Syntax
Parameters
SETLOGRC command
Syntax
Parameters
SETMF command
Syntax
Parameters
SETOMVS command
Syntax
Parameters
SETPROG command
Syntax
Updating the APF list
Updating dynamic exits
Updating LNKLST concatenations
Managing dynamic LPA content
Protecting REFR programs
Tracking directed load modules
SETRRS command
Syntax
SETRRS ARCHIVELOGGING command
Syntax
Parameters
SETRRS CANCEL command
Syntax
Parameters
SETRRS SHUTDOWN command
Syntax
Parameters
SETSMF command
Syntax
Parameters
SETSMS command
Scope in a sysplex
Syntax
Parameters
Individual trace options
Examples
SETSSI command
Syntax
Parameters
SETUNI command
Syntax
Parameters
SETXCF command
Scope in a sysplex
Syntax
SETXCF COUPLE command
SETXCF DUMPCF command
SETXCF FORCE command
SETXCF FUNCTIONS command
SETXCF MODIFY command
SETXCF PRSMPOLICY command
SETXCF START command
SETXCF STOP command
SLIP command
Syntax
Using SLIP commands
SLIP traps in systems in a sysplex
Processing of SLIP commands
Coding SLIP command parameters
Indirect Addresses
Shorthand method for specifying addresses
Indirect Addressing with the DATA, REFBEFOR, and REFAFTER Parameters
Indirect addressing with the LIST, RANGE, SUMLIST and TRDATA parameters
Qualifying direct or indirect addresses to address spaces
Indirect addressing using a register
Setting a SLIP trap
Structure of a SLIP SET command
Types of SLIP SET parameters
Setting effective SLIP PER traps
Performance considerations for designing a SLIP trap
PSWs disabled for PER
Ignored PER traps
Multiple PER traps
Recursive traps
PER monitoring and checkpoint/restart
Dynamic PER traps
SLIP zero address detection (ZAD)
Syntax for an error event SLIP SET command
Syntax for an instruction fetch or successful branch SLIP SET PER command
Syntax for a storage alteration SLIP SET PER command
Syntax for a zero address detection SLIP SET PER command
Syntax for the ACTION parameters for the SLIP SET command
SLIP SET parameters
SLIP SET examples
Modifying an existing SLIP trap
Syntax
Parameters
Deleting an existing SLIP trap
Syntax
Parameters
Example
START command
Syntax
Starting a system task from a console
Starting the APPC/MVS address space
Starting the APPC/MVS transaction scheduler address space
Starting the Common Event Adapter address space
Starting the Generalized Trace Facility
Starting hardware instrumentation services (HIS)
Starting the Base Control Program internal interface (BCPii) address space after BCPii has been terminated
Starting the library lookaside (LLA) address space
Starting the Object Access Method (OAM)
Starting Resource Recovery Services (RRS)
Starting the System Object Model (SOM) subsystem
Starting TSO/VTAM time-sharing
Starting the virtual lookaside facility or data lookaside facility
Starting an external writer
STOP command
Syntax
Stopping a running program
Parameters
Stopping an ASCH initiator
Stopping the data lookaside facility (DLF)
Stopping the hardware instrumentation services (HIS)
Stopping the Base Control Program internal interface (BCPii) address space
Stopping the library lookaside (LLA) address space
Stopping the Object Access Method (OAM) Address Space
Stopping a System Object Model (SOM)
Stopping a temporary file system (TFS)
Stopping the virtual lookaside facility (VLF)
STOPMN command
Scope in a sysplex
Syntax
Parameters
SWAP command
Syntax
Operator-requested DDR
System-initiated DDR
SWITCH command
Syntax
Parameters
TRACE command
Syntax
Parameters
Specifying TRACE CT options
Specifying TRACE TT options
UNLOAD command
Scope in a sysplex
Syntax
Parameters
VARY command
Scope in a sysplex
Syntax
Controlling problem determination mode for the system console
VARY CN,ACTIVATE command
VARY CN,DEACTIVATE command
VARY CN,AUTOACT= command
Suspending AUTOACT processing
VARY CN,AUTOACT syntax
Controlling MCS, HMCS and SMCS consoles
VARY CN command
VARY CONSOLE command
Controlling hardcopy processing
Placing a console online or offline
Processing devices or a path to devices attached to a control unit
Defining a tape device as automatically switchable
Placing an I/O device or a range of I/O devices online or offline
Allowing or preventing allocation from using an offline tape device
Controlling a global resource serialization complex
Placing an I/O Path or Paths Online or Offline
Changing the state of coupling facility cache structures and volumes
Placing an optical drive or library online or offline
Placing a system-managed tape library online or offline
Analyzing the state of the PDSE subsystem
Releasing PDSE latches
Modifying processing of PDSE monitor
Display current state of the PDSE monitor
Changing the SMS status of a storage group or volume
Updating space statistics for volumes in the SMS configuration
Controlling DFSMStvs processing
Controlling CICSVR processing
Placing a switch port online or offline
Controlling an application environment
Command Scope
Command Syntax
Activating a service policy
Removing a System from the XCF Sysplex
WRITELOG command
Syntax
Parameters
HIS MAP format