ITM ISPF Basics, Edit Data Sets, Other Utilities

1
ITM ISPF Basics, Edit Data Sets, Other Utilities

• Module 2
• Chapter 2 Topic 1, Pages 47 65
• Chapter 4 Topic 1, Pages 121 123
• Chapter 5 Topic 2, Pages 220 228

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Objectives

• ISPF Basics
• Accessing
• Menus
• Command Area
• Edit Data Sets
• Create Members
• Edit Members
• Other Utilities
• Data Set Utility

3
Topic 1 Basics of Using ISPF

• Optional IBM Product
• Manages On-Line Applications Under TSO
• Two Parts
• ISPF/PDF
• PDF Program Development Facility
• Used Most Often
• Dialog Manager
• Create Applications Running Under ISPF

4
ISPF

• ISPF Includes
• Text Editor
• Utilities to Create and Manage
• Data Sets
• Libraries
• Ability to Invoke Language Translators
• To Compile and Link-Edit Application Programs

5
Access ISPF

• From Ready Prompt
• Type ISPF
• From TSO Logon
• Often Automatically Displayed
• Functions Controlled By Menus
• Main Menu is the Primary Option Menu
• See Example, Page 50

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ISPF Primary Option Menu

• Fourteen Processing Functions
• 0 - ISPF Parms
• 1 - Browse
• 2 - Edit
• 3 - Utilities
• 4 - Foreground
• 5 - Batch

• 6 -Command
• 7 - Dialog Text
• 8 - LM Utilities
• 9 - IBM Products
• 10 - SCLM
• C - Changes
• T - Tutorial
• X - Exit

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Primary Option Menu

• 0 - ISPF Parms
• Change Default Values
• 1 Browse
• Display Contents
• Data Sets
• Output Listings
• 2 Edit
• Change Data Set or Library Members

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Primary Option Menu

• 3 Utilities
• Create, Rename, Delete, Move, or Copy Data Sets
• Display PDS Directories, Catalogs, or Data Set
  Allocation Information
• 4 Foreground
• Execute Foreground Processing
• Ties Up Terminal

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Primary Option Menu

• 5 Batch
• Executes Batch Processing
• Terminal Remains Free
• Slower Jobs Have to be Scheduled
• 6 Command
• Issue TSO Commands
• CLIST or REXX Procedures
• Bypasses ISPFs Menu Structure

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Primary Option Menu

• 7 - Dialog Text
• Easier to Test and Debug ISPF Dialogs
• 8 - LM Utilities
• Library Management Facility
• Controls
• Who Has Access
• Who Can Move Members

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Primary Option Menu

• 9 - IBM Products
• Use IBM Program Development Products
• Excluding ISPF
• 10 SCLM
• Software Configuration and Library Manager
• Services to Control, Maintain, and Track
  Components of an Application

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• C Changes
• Changes to ISPF Since Released
• T Tutorial
• Instructions for Using ISPF
• X Exit
• Terminates ISPF

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ISPF Display Format

• Two Types of Displays (Panels)
• Menus
• Options for Your Selection
• Entry Panels
• Data Set Names and Other Options Required Entries
• Lines
• Top 2 Lines Reserved for System Information
• Third Line for Optional Error Messages
• Remaining Lines for Data
• Including Line 3 If No Error Messages Displayed

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ISPF Display Format

• Fields to Enter Data
• Indicated by gt
• 1st Line
• Displays Title
• ISPF/PDF PRIMARY OPTION MENU
• Right-Hand Side to Display Short Message

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ISPF Display Format

• 2nd Line
• To Enter Commands
• Command Area Identified As
• OPTION gt
• Other Screens As COMMAND gt
• HOME Key Moves Cursor to Command Area
• May Contain ENTER/VERIFY PARAMETERS BELOW
• Does Not Allow Commands
• Data Entered in Data Area Fields Below Line 2

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ISPF Display Format

• 3rd Line
• Normally Blank
• Browse or Edit Mode May Contain Data
• If Short Error Message in Line 1
• Line 3 Displays Longer Version
• By Entering HELP in the Command Area
• By Pressing PF1/PF13

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Using ISPF Menus

• To Select a Menu Option
• Enter Option Number or Letter in Command Area
• Many Options Display Additional Menus
• Use More Than One Option to Bypass
• For Example
• OPTION gt 3
• Followed by OPTION gt 2
• Can be Replaced by OPTION gt 3.2

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Using ISPF Menus

• Move From One Option to Another Directly
• Fox Example
• Go From Option 2 to 3
• COMMAND gt 3

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Entering Commands in the Command Area

• Three Kinds of Commands
• ISPF Commands
• Built Into ISPF
• PDF Primary Commands
• Functions Specific to Certain ISPF Options
• Editor or Utilities
• TSO Commands
• Must Proceed Command With TSO
• For Example
• COMMAND gt TSO LISTCAT

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Entering Commands in the Command Area

• Retrieve Previous Commands
• PF12/PF24
• Can Modify If Needed
• Repeat PF12/PF24 for Earlier Commands
• Enter More Than One Command
• Separate By Semicolons
• Execute One at a Time
• If One Fails, Following Commands Wont Execute

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PF and PA Keys

• Keys Can Issue ISPF Commands
• PA (Program Access) Keys
• PF (Program Function) Keys

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PA Keys Default Meanings

• PA1
• Attention
• Interrupt the Current Operation
• PA2
• Reshow
• Redisplay the Current Screen

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PF Keys Default Meanings

• PF1/PF13
• Help
• Enter the Tutorial
• PF2/PF14
• Split
• Enter Split-Screen Mode

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PF Keys Default Meanings

• PF3/PF15
• End
• Terminate the Current Operation (Returns to
  Previous Menu)
• PF4/PF16
• Return
• Return to the Primary Option Menu

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PF Keys Default Meanings

• PF7/PF19
• Up
• Move the Screen Window Up
• PF8/PF20
• Down
• Move the Screen Window Down

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PF Keys Default Meanings

• PF9/PF21
• Swap
• Activate the Other Logical Screen in Split-Screen
  Mode
• PF10/PF22
• Left
• Move the Screen Window Left

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PF Keys Default Meanings

• PF11/PF23
• Right
• Move the Screen Window Right
• PF12/PF24
• Retrieve
• Redisplay the Last ISPF Command Issued

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PF Keys Default Meanings

• Change Default Meanings
• Option 0 - ISPF Parms

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Data Set Names

• Consist of Three Components
• Project-ID
• Identifies Project Associated With the Data Set
• Usually Defaults to User-ID
• Library-Name
• Can Be Any Name
• Type
• Indicates Nature of the Data Stored
• Should Use Valid TSO Types
• Eight or Less Alphanumeric Characters
• Starts With a Letter

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Data Set Names

• String Components Together With Periods
• For Example E027.ITM.COBOL
• Specify Member Name For PDS
• If Omitted, Displays All Members
• See Figure 2-4, Page 58
• S Next to the Member to Select

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Data Set Names

• Can Specify Members With a Pattern
• Pattern Consists of Partial Member Plus Symbols
  or or Both
• String of Characters
• A Single Character
• See Pages 57-58
• For Non-Standard Names
• Use Field Identified as
• OTHER PARTITIONED OR SEQUENTIAL DATA SET
• Enclose Data Set Name in Single Quotes
• If omitted, User-ID is Added to the Front of Data
  Set Name
• May Require a Password

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Split-Screen Mode

• View Two Different Panels at Same Time
• Split Horizontally into Two Logical Screens
• Place Cursor Where Split Needed
• Press PF2/PF14
• Two Independent Sessions
• Only One Active at a Time
• Terminate by Ending One Session

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Tutorial (Help)

• On-Line Instruction for ISPF
• Enter Help Two Ways
• Option T on Main Menu
• Displays Instructions on Using Tutorial
• Press Help Key (PF1/PF13)
• Display Tutorial For Current ISPF Function

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List and Log Files

• Printed Output Generated
• i.e., Compiler Listing Created by Compiling a
  COBOL Program
• When Terminate ISPF
• Specify Disposition of Listing Data Set

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List Command With Options

• PRINT
• Listing is Printed and Deleted
• DELETE
• Listing is Deleted
• KEEP
• Data Set is Deallocated
• New Listing Data Set Created When Needed

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List Command W/O Options

• Panel Displays to Enter Options
• PD
• Listing is Printed and Deleted
• Must Specify SYSOUT Class or Local Printer ID
• D
• Listing is Deleted
• KN
• Data Set is Deallocated
• New Listing Data Set Created When Needed

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Additional Listings

• LOG File
• Record of ISPF Operations
• Little Value to Programmers
• Delete When Terminating
• If Print
• Specify Option
• Or, Use LOG Command

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Terminate ISPF

• Select X from Primary Option Menu (Main Menu)
• -X From Most ISPF Displays
• Use PF3/PF15
• May Display Disposition Panel With Four Options
• PD, D, KN, and K
• K Keeps Data Set and Allocates Same Data Set in
  Next Session

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User Profile

• Contains Default Values for Many Fields of Entry
  Panels

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Create and Edit New Members

• Specify New Member Name on Edit Panel
• Creates Empty Workspace in Virtual Storage
• Editing
• Use I (Insert) to Enter Data
• PF7/PF19 to Page UP
• PF8/PF20 to Page Down
• Profile to Change Defaults
• Scroll Settings

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Terminate Edit

• Press PF3/PF15
• Saves Member and Exits One Panel
• PF4/PF16
• Saves Member and Exits to Main Menu
• CANCEL in Command Area
• Terminate Without Saving Changes
• SAVE in Command Area
• Saves Changes
• Does Not Terminate Edit

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Option 3.2 Data Set Utility

• Seven Function Codes
• A
• Allocate a New Data Set
• R
• Rename an Existing Data Set
• D
• Delete and Existing Data Set
• C
• Catalog an Existing Data Set

• U
• Uncatalog an Existing Data Set
• S
• Display a Shortened Version of Data Set
  Information
• M
• Allocate a New Data Set using SMS Classes

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Create Sequential Data Sets

• Also Known as Allocating a Data Set
• System Sets Aside DASD and Adds File Name to
  Catalog
• Supply Name and Characteristics

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Data Set Characteristics

• Volume
• Leave Blank for Default Value
• Space Requirements
• SPACE UNITS
• Determine Unit of Measure for Primary and
  Secondary
• Use Blocks (BLKS), Tracks (TRKS), or Cylinders
  (CYLS)
• PRIMARY QUANTITY
• Amount of Space You Think Data Set Will Require
• SECONDARY QUANTITY
• Allows for Extension to Primary
• Repeats Up to 15 times
• Primary and Secondary are Called Extents
• Up to 16 For Each Data Set

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Data Set Characteristics

• RECORD FORMAT
• FB (Fixed Block) for Fixed-Length, Blocked
  Records
• Most Often Used
• F (Fixed) for Fixed-Length, Unblocked Records
• V (Variable) or VB (Variable Blocked) for
  Variable-Length, Unblocked or Blocked Records
• RECORD LENGTH
• Specifies the Length of Each Record
• BLOCK SIZE
• Multiples of the Record Length

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Choosing the Block Size

• Difficult to Determine 100 Utilization of the
  Storage Space Available in Each Track
• 95 Considered Excellent
• For Example, If Choose 3120 Block Size For 10,000
  80-Byte Records
• 3120 / 80 39 Records
• If Disk Device is 3350, Then 3350 / 80 41.875
• 41 80 3280 and 3280 / 3350 97 Utilization
• If Same File on 3380 Disk Device, Then 3380 / 80
  42.25
• 42 80 3360 and 3360 / 3380 84 Utilization

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Expiration Date

• Date File is No Longer Needed and Can Be Deleted
• Three Formats
• YY/MM/DD or YY.DDD
• For a Specific Date
• DDDD
• Retention Period

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Using Default Allocation

• Model From an Existing Data Set
• Display Data Set Information of the Model With
  Data Set Utility Entry Panel
• Leave Option Field Empty
• Then Return to Entry Panel
• Allocate New Data Set

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Creating a PDS

• DIRECTORY BLOCK
• Only Difference from Sequential Data Set
• of 255-Byte Directory Blocks Allocated for the
  Library
• 0, Sequential Assumed
• Non-Zero is PDS
• Number Depends on Number of Members Needed
• For Standard Members (With ISPF Statistics)
• 1 Block Holds 6 Entries
• If 40 Members, 7 Directory Blocks (40 / 6
  6.67)
• For Non-Standard Members (No ISPF Statistics)
• 1 Block Holds 21 Entries
• For a Load Library (Executable Programs)
• 1 Block Holds 4 Entries

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Create Data Set Managed by SMS

• Storage Management Subsystem
• Specify M on Entry Panel vs. A
• Management Class
• Storage Class
• Data Class

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Summary

• ISPF Basics
• Accessing
• Menus
• Command Area
• Edit Data Sets
• Create Members
• Edit Members
• Other Utilities
• Data Set Utility