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usually in step. However, due to the time required to print and distribute hardcopy
books, the BookManager version is more likely to have had last-minute changes
made to it before publication.
Subsequent updates will probably be available in softcopy before they are available
in hardcopy. This means that at any time from the availability of a release, softcopy
versions should be regarded as the most up-to-date.
For CICS Transaction Server books, these softcopy updates appear regularly on the
Transaction Processing and Data Collection Kit
CD-ROM, SK2T-0730-xx. Each
reissue of the collection kit is indicated by an updated order number suffix (the -xx
part). For example, collection kit SK2T-0730-06 is more up-to-date than
SK2T-0730-05. The collection kit is also clearly dated on the cover.
Updates to the softcopy are clearly marked by revision codes (usually a “#”
character) to the left of the changes.
Notes on terminology
CICS In general, this book refers to the Customer Information Control System as
“CICS”, the element in the CICS Transaction Server for OS/390.
MVS “MVS” is used for the operating system, which is an element of the CICS
Transaction Server for OS/390.
Argument zero
When an EXEC CICS command is translated and compiled, it results in an
encoded parameter list to be used with a call statement. The first parameter
in this list is a constant known as the CICS argument zero. The first two
bytes of this constant identify the command; for example, X'0A04' identifies
it as a READQ TS command.
x CICS Transaction Affinities Utility Guide