DOS文件安全保护新方法

A New Method for Protecting DOS-Managed Files

通过分析DOS文件管理的特点,指出DOS文件或子目录可通过其FDT中目录项的相对移位进行安全保护,并给出了具体的实现方法。

This paper, based on analyzing the managerial characteritics of DOS, poroposes the practical method, by means of which files or directories stored in the hard disk and managed by DOS can be safely protested by moving their directory-term in FDT from one place to another.