Although Cron has serious problems on a system that is shut down regularly, it is still the tool of choice for jobs that run frequently, such as hourly checks for new E-mail on a remote mail server.

尽管对于经常关闭的系统来说，Cron会造成一些严重的问题，但是，对于经常运行的作业，比如远程邮件服务器上每小时进行一次的新邮件检查，Cron仍然是一个重要的工具。

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To wit, e-mail, remote login, and superuser privileges all require a password—preferably disparate and each difficult to guess or derive using an automated attack.

电子邮件、远程登录和超级用户特权都需要密码，这些密码最好各不相同而且难以通过自动化攻击猜测或推断出来。

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Some remote controls even have tiny alphabetic keyboards to enable e-mails to be sent through the television, and it is not unusual to see four or five controllers sitting on a single sofa.

有些遥控器上甚至包含很小的字母键盘，可以用来通过电视发送电子邮件，沙发上放着四五只遥控器也越来越常见。

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Viveros said there's a growing number of remote access Trojan programs sent via e-mail that can open the backdoor to a user's PC and gather log-ins and passwords to company intranets.

CNN: New 'Trojan Horse' strain may go mainstream

Using court orders, the FBI controls the system from a remote location to monitor and retrieve e-mail messages of criminal suspects.

CNN: Justice Department mum about who will review 'Carnivore'

Unknown to users, the worm connects their PC to a custom IRC channel when they are logged on to a remote server while surfing the Web or reading e-mail.

CNN: New 'Trojan Horse' strain may go mainstream