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Meaning of FILE CONTROL BLOCK

 
Computing Dictionary
 
 Definition: 

(FCB) An ms-dos data structure that stores information about an open file. The number of FCBs is configured in config.sys with a command

        FCBS=x,y

where x (between 1 and 255 inclusive, default 4) specifies the number of file control blocks to allocate and therefore the number of files that MS-DOS can have open at one time. y (not needed from DOS 5.0 onwards) specifies the number of files to be closed automatically if all x are in use.

 

 

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