File Control Table (File architecture)

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)