file control block
<operating system> (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 onward) specifies
the number of files to be closed automatically if
all x are in use.
(1995-03-21)
Nearby terms:
File Attach « File Composition « file compression «
file control block » file descriptor » file
descriptor leak » file extension
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