For convenience, should should view large files with less, as in less /etc/passwd (you can learn more about less by typing man less).

为方便起见，您应该用 less 查看大文件，如在 less /etc/passwd 中那样（您可以通过输入 man less 学习更多关于 less 的知识）。

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the local UNIX/Linux system password database (/etc/passwd);

本地 UNIX/Linux 系统密码数据库（/etc/passwd）；

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It reads the user and password from the file passfile, (generated earlier in this demonstration) it then checks this is a valid account by checking /etc/passwd.

它从前面生成的 passfile 文件读取用户名和密码，然后通过检查 /etc/passwd 确认这是有效的账户。

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