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Dfsort
Dfsort documentation
Dfsort ibm
Dfsort jcl
Dfsort merge
Mainframe dfsort
Z os dfsort
Z os dfsort application programming guide

MOTCLE	ABBREVIATION	DESCRIPTION
Data Facility Sort	DFSORT	An IBM licensed program that is a high-speed data-processing utility. DFSORT provides an efficient and flexible method for sorting, merging, and copying operations, as well as providing versatile data manipulation at the record, field, and bit level
DFSORT		See Data Facility Sort
DFSORT		Data Facility Sort
DFSORT		Data Facility Sort. An optional, separately priced feature of z/OS, it began its life as the venerable Sort/Merge of the original System/360 OS/360 and DOS/360 operating systems, back in the days when software was free and hardware was what you paid for. It had a reputation for sluggishness, but it was hard to compete with free. Nonetheless, given how much sorting is involved in business batch data processing, competitive sort/merge packages were one of the first software products to hit the market. At one time, SyncSort had over 70% of the market. Computer Associates was founded with an acquired sort/merge package as its first product. Until the 1990s, DFSORT was dogged with performance problems, but started to shake them as each new release bested SyncSort in benchmarks and in-house tests. SyncSort, of course, would then come out with a new release that beat DFSORT. Beyond sorting, DFSORT has become a major utility in its own right, especially with the addition of ICETOOL. See also D
Hipersorting		DFSORT?s use of hiperspace to improve sorting performance in z/OS. Introduced in DFSORT Version 11, announced February 1989.
ICETOOL		Utility included with DFSORT and introduced March 1991. Provides existing DFSORT functionality in an easier statement format, along with new capabilities. One operation in ICETOOL replaces several in standard DFSORT.
IEBGENER		z/OS Sequential Copy/Generate Dataset utility. Replaced by ICEGENER in DFSORT and several non-IBM products. In fact, about the slowest way to copy anything anywhere.
Merge		The combining of two or more sorted files into a single file. One of the two main capabilities of a sort/merge program. See also DFSORT.
RACFICE		Free IBM analysis software that uses DFSORT ICETOOL to process output from the RACF DataBase Unload Utility and RACF SMF Data Unload Utility.
Sort/merge		See DFSORT.
system-managed storage environment		An environment that helps automate and centralize the management of storage. This goal is achieved through a combination of hardware, software, and policies. In the system-managed storage environment for z/OS, the function is provided by DFSMSdfp, DFSMShsm, DFSMSdss, DFSMSrmm, DFSORT, Security Server (RACF), and MVS. See also system-managed storage

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