November 2003
Beginner
114 pages
4h 22m
English
Content preview from EFS Systems on a Linux Base: Getting Started
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Chapter 5. S/390 operating system installation 47
straightforward z/OS implementation. The AD CD-ROM systems, as the name implies, are
distributed on CD-ROMs. The CD-ROMs are not seen by the S/390; they are processed by
Linux programs.
Basic CD-ROM formats
The z/OS volumes (on the AD CD-ROM) are zipped files in AWSCKD format. AWSCKD is a
P/390 device manager program that emulates 3380 and 3390 devices. In general, a
complete 3390 volume is in one or two PC files. All the AD releases of OS/390 and z/OS to
date are in this format.
The AWSCKD format is, in essence, a complete image of a S/390 disk volume. Within an
AWSCKD file CKD tracks, cylin
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