If the input will later be used as parameters to operating system commands, scripts, and database queries, then it is essential that you do so.

如果输入以后会被用作操作系统命令、脚本和数据库查询的参数，那么对输入进行清理是非常重要的。

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In order to change the DB2 parameters, the login context of the operating system must be that of the DB2 instance owner.

为了修改DB 2参数，操作系统的登录上下文必须是DB 2实例的拥有者。

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An invariant task is one that doesn't require parameters (like requesting an operating system instance); this one can be done with the easy static way.

非变量任务不需要参数(比如请求操作系统实例)；这可通过简单的静态方式来完成。

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Microsoft sets parameters for all the hardware companies that utilize its operating system, including Nokia.

FORBES: Nokia Can Make Its Windows-Based Lumia Phones 17% Cheaper: Analyst