The RACF Class Descriptor Table (CDT) contains information that directs the processing of general resources. The CDT contains the names and attributes of the general resource classes that can be used by RACF. The class descriptor table has two parts: The static Class Descriptor Table: It contains 2 modules: ICHRRCDX […]
A Virtual Tape Library (VTL) is a disk (DASD) based backup system that emulates a real tape library system. For the operating system and to those who use the VTL, it’s like working with real tapes, but in reality it’s disk. A Virtual Tape Library has several benefits: Better backup/restore […]
IBM has officially announced its latest enterprise mainframe server, the z14. A powerful addition to the z Systems mainframe family. Some of the IBM z14 feature highlights are: Trust – the foundation of digital relationships 100% encryption is 100% mainframe Real time insights and machine learning Lightning fast data access […]
SUPERC (super compare) is one of ISPF’s most useful utilities; It allows to compare datasets or search for text strings. Normally, SUPERC is used via ISPF panels but it can also be used in batch job. SUPERC is able to process: Sequential datasets Partitioned datasets (including individual members) Concatenated datasets […]
I’ve always liked history. To know what the human race was able to achieve throughout the ages has always fascinated me. It’s no surprise then that being a mainframer at heart, I would be interested in knowing and sharing a bit of the mainframe history; it’s story. The following 5 […]
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