File Control Table (File architecture): Difference between revisions

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<p>The FCT is 8 pages.</p>
<p>The FCT is 8 pages.</p>
<p>The FCT contains:</p>
* The File Parameter List (FPL)
* The Logical Page Map (LPM) which shows the distribution of the pages within the file
* The datasets list (DSL) of those which comprise this file
* The shared DASD enqueue list
* The current file [[BROADCAST command: Sending a file message|broadcast]] message (if any) 
[[Category:File Architecture and Management]]
[[Category:File Architecture]]

Revision as of 00:37, 4 April 2013

The File Control Table contains the file parameter settings, data set or file definition names of all data sets in the file, the status of the file, and other control information.

The FCT is 8 pages.

The FCT contains:

  • The File Parameter List (FPL)
  • The Logical Page Map (LPM) which shows the distribution of the pages within the file
  • The datasets list (DSL) of those which comprise this file
  • The shared DASD enqueue list
  • The current file broadcast message (if any)