这些程序可以随即猜测你的密码知道他们找到答案。
These programs make random guesses at your password until they figure it out.
另一种常用的攻击是猜测用户的密码。
使用强壮的难以猜测的密码，永远不要让控制台处于解锁状态。
Use strong, difficult to guess passwords, and never leave a console unlocked.
我只尝试了几次就猜出了root密码是“root”，但这毕竟是猜测出来的。
It only took me a few tries to guess that the root password was "root," but it was a guess.
我只尝试了几次就猜出了root密码是“root”，但这毕竟是猜测出来的。
It only took me a few tries to guess that the root password was "root," but it was a guess.
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