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Unit Control Block

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This is an old revision of this page, as edited by MartinPackerIBM (talk | contribs) at 19:06, 3 October 2007 (←Created page with 'A Unit Control Block (UCB) is an area of z/OS memory that describes an Input / Output device, such as a disk or tape device.'). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
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A Unit Control Block (UCB) is an area of z/OS memory that describes an Input / Output device, such as a disk or tape device.

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