The first time you connect to a host, the system asks if you want to keep a copy of the remote hosts public key in your 'known hosts' file (see Listing 5).

您第一次连接到主机时，系统会询问您是否需要将远程主机公钥的副本保存在“已知主机”文件中(请参见清单5)。

youdao

Maybe you just want to keep an archive of the log file that was a success or email a copy of the error log in the event of a problem.

您可能会只想保存成功的日志文件的存档，或在出现问题时将错误日志的副本以电子邮件方式发送出去。

youdao

I like to keep a copy of the layered file just incase I decide to alter it slightly in the future, so save it as a.

我喜欢保存一个含有图层的文件，这样未来我可以做细微的修改。

youdao