Command keyboard key
MVS

Disabling SMF recording

System Management Facility (SMF) should always be active in order to record the LPAR activity. Nevertheless, some times whether for testing reasons or otherwise you may have the need to disable SMF.   To disable SMF: Edit the SMFPRMxx member in your Parmlib library and set it to NOACTIVE (the default […]

Command keyboard key
ISPF/PDF

Useful ISPF Commands

The following table describes some of the most used ISPF commands that may come very handy when editing datasets or members the mainframe: Edit Primary Commands CHANGE string1 string2 Changes first occurrence of string1 with string2. CHANGE can also be used as C CHANGE ALL string1 string2 Changes all occurrences […]

ISPF/PDF

ISPF – How to Identify the Changes You’ve Made

Let’s imagine you have the following JCL and you need to change it to accommodate  your needs: //COMPRESS JOB (),’COMPRESS’,NOTIFY=&SYSUID,CLASS=A,MSGLEVEL=(1,1), // MSGCLASS=X //************************************************** //*  THIS IS AN EXAMPLE – THIS LINE WILL BE DELETED //************************************************** //STEP1 EXEC PGM=IEBCOPY //SYSPRINT DD SYSOUT=* //INPUT DD DSNAME=SYS1.EXAMPLE.FILE,DISP=SHR //OUTPUT DD DSNAME=SYS1.EXAMPLE.FILE,DISP=SHR //SYSIN DD * […]