System IPL Sequence

The initialization process begins when the System Programmer or Operator selects the LOAD function at the Hardware Management Console (HMC). To successfully IPL z/OS, the system programmer needs to supply the following information: –    The device address of the IPL volume –    The LOADxx member that contains pointers to system […]

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What is a Catalog?

A catalog describes data set attributes and indicates the volumes on which a data set is located. When a data set is cataloged, it can be referred to by name without the user needing to specify where the data set is stored. Data sets can be cataloged, uncataloged, or recataloged. […]