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文件保护是计算机系统安全的一个重要内容。在我们使用电脑的过程中,总会遇到有别人使用我们的计算机,甚至出现别有用心的人非法访问我们的机密资料的情况。怎样有效防范防止非法用
File protection is an important part of computer system security. In the process of using our computers, we always encounter situations in which someone else uses our computers and even those who have ulterior motives have illegally accessed our confidential information. How to effectively prevent illegal use