Some of the tools that are used store the archived job outputs/reports for a 
specific period of time are SAR, CA DISPATCH. When you have a JOB abend and if the job has moved to CA Dispatch, it makes our life difficult to traverse to the page where we have the issue. Or to see some statistics from the job output. Below 
commands from the CA Dispatch guide will make your life a bit easier.
SC – To scroll based on cursor
G nnn - Display the page number (nnn). If nnn is omitted, you will access the 
first page.
Scr  - Specifies the type of default scrolling you set. To be used with UP or DOWN commands (or PF 7 and PF 8). HALF PAGE (SH), FULL PAGE (SP), or scroll based on 
cursor position (SC).
FR - Use the FR command to freeze a particular line and all preceding lines. 
Freezing holds the lines on screen so that when you scroll up or down the lines 
remain in position.
HD nn - Use the header command to hold specific heading lines on the screen, while scrolling to the next page. Displays the number of heading lines from the top of each page, regardless of scrolling. Headings are highlighted.
MJ  - Direct access to the job's JCL, without scrolling through intermediate
screens.
ML  - Direct access to operator log. Allows you to see the MSGCLASS job log 
messages directly, without scrolling through intermediate screens.
MM  - Direct access to MSGCLASS system messages without scrolling through 
intermediate screens.
TOP  -  Scroll to the first page available for this recipient.
BOT  -  Scroll to the last page available for this recipient.

Important SQL CODES and ABEND CODES
SORT JOIN – TO JOIN TWO FILES BASED ON A KEY
KNOW YOUR MAINFRAME
REXX – INITIAL SETUP
SAS – SAMPLE PROGRAM
CA DISPATCH – Useful Commands
Locate the INVALID data in a field using FILE AID
File-Aid Relational Operators, Data Types
Xpediter – Batch Setup
FILE AID – VIEW TIP
FILEAID TIPS
EDIT PDS USING FILE-AID – FAST MODE
VSAM – KEYS
Comparison of ESDS, KSDS, RRDS, VRRDS, and linear data sets
VSAM OPEN CLOSE I/O RETURN CODES
VSAM INTERVIEW QUESTIONS
VSAM TIPS
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