如果其中任一个命令失败，请联系系统或网络管理员，以确保该计算机已正确地配置。

If either of these commands fail, contact your system or network administrator to ensure that the machine is correctly configured.

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一个人或一个团队可能担任一个用户角色。

A single person or a team could perform the user role.

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系统被破坏后，攻击者将实施以下任一步骤——收集数据或破坏另一个系统。

With the system compromised, the attacker carries out whatever the next step may be-whether it's to gather data or compromise another system.

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