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The Access Method Services utility program IDCAMS is commonly used to manipulate ("delete and define") VSAM data sets. Custom programs can access VSAM datasets through Data Definition (DD) statements in Job Control Language (JCL), via dynamic allocation or in online regions such as in Customer Information Control System (CICS).
A Generation Data Group [10] (GDG) [11] is a group of non-VSAM data sets [12] that are successive generations of historically-related data [13] stored on an IBM mainframe (running OS or DOS/VSE). [14] A GDG is usually cataloged. [13] An individual member of the GDG collection is called a "Generation Data Set."
IDCAMS probably has the most functionality of all the utility programs, performing many functions, for both VSAM and non-VSAM files. The following example illustrates the use of IDCAMS to copy a dataset to disk. The dataset has 80-byte records, and the system will choose the block size for the output:
Depending on their size or utility, the installations were called: camp, forward operating bases (FOBs), contingency operating bases (COBs), contingency operating sites (COSs), combat outposts (COPs), patrol base (PBs), logistic based (log bases), fire bases (FBs), convoy support centers (CSCs), logistic support areas (LSAs), and joint security ...
The z/OS Generation Data Group (GDG) is a description of how many generations of a file are to be kept and at what age a generation will be deleted. Whenever a new generation is created, the system checks whether one or more obsolete generations are to be deleted.
The base-2 numeral system is a positional notation with a radix of 2.Each digit is referred to as a bit, or binary digit.Because of its straightforward implementation in digital electronic circuitry using logic gates, the binary system is used by almost all modern computers and computer-based devices, as a preferred system of use, over various other human techniques of communication, because ...
The set was released as an 11-CD+DVD set and 4-LP coloured vinyl compilation. The CD/DVD set includes expanded versions of the group's original four studio albums and the 2015 compilation album Hidden Gems, Hidden Gems, Vol. 2 – a new follow-up to the original Hidden Gems –, a new EP, and a DVD with all music videos and bonus material; the LP set only includes the studio albums reissued on ...
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