SSH是在不安全的网络上提供安全的远程登录和其他网络服务的协议。
SSH is a Protocol for secure remote login and other secure network services over an insecure network.
例如，系统服务xinetd会按需要启动其他网络服务，它在收到SIGHUP时会重新读取它的配置文件。
For instance, the system service xinetd, which launches other network services on demand, re-reads its configuration files upon the receipt of SIGHUP.
研究也注意到：IT部门经常严重低估员工们在工作中使用自己技术的状况，其中包括社交网络以及其他网络服务。
The study also noted that IT departments often greatly underestimate how much employees are using their own technology, including social networks and other web services, for work.
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