说明： 有关DOS命令扩展(硬盘分区表保存和修复,到硬盘用软锁、DIR功能扩展等),C与DBASE和汇编语言接口等等等等。 (Relevant DOS commands expand (disk partition table preservation and restoration, to hard disk with soft lock, DIR function expansion, etc), C and DBASE and assembly language interface, etc.)
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