Function 0Dh (13)        Disk Reset
 
    Flushes all file buffers.
 
       On entry:      AH         0Dh
 
       Returns:       Nothing
 
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       Notes:         This function flushes all file buffers but does not
                      close files. To ensure that the proper length of a
                      changed file is recorded in the disk directory, use
                      one of the two Close File Functions (10h or 3Eh).

Seealso:


 10h 
 3Eh