HelpPC 2.10 Quick Reference Utility Copyright 1991 David Jurgens

               INT 21,68 - Flush Buffer Using Handle   (DOS 3.3+)

       AH = 68h
       BX = file handle

       on return
       AX = error code if CF set  (see DOS ERROR CODES)

       - flushes DOS buffers to disk, does not update directory entry

Esc or Alt-X to exit int 21,68 Home/PgUp/PgDn/End ←↑↓→
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