大多数网站或网络系统允许用户通过提供电子邮件地址或回复提示来恢复丢失的密码。
Most websites or network systems allow users to recover lost passwords by providing email addresses or answering a prompt.
NIS在主服务器上的一组称为映射的文件中存储有关用户、组、主机、地址和网络服务的信息。
NIS stores information on the master server in a set of files called maps about users, groups, hosts information, address, and network services information.
由于很多用户通过拨通网络服务提供商(isp)上网，所以IP地址在您每次登陆时都不一样。
For many users accessing the Internet from a dial-up Internet service provider (ISP), the IP address will be different every time you log on.
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