但是，大多数超级用户级命令是新的，它们同时执行许多不同的操作。
But, most of the superuser level commands are new and perform many different operations at once.
成功地由版本11.50 .xC 7升级到11.70 .xC1之后，您可以使用以下命令创建一个映射用户。
After converting successfully from version 11.50.xc7 to 11.70.xc1, you can use the following command to create a mapped user.
大多数实例级操作命令不会接受用户ID或密码作为输入部分。
Most instance-level operation commands do not accept user IDs or passwords as part of the input.
单元级测试针对操作系统的各个功能单元（用户命令、系统调用）进行安全机制的检查。
The unit class tests checks each function unit (user command, system call) of os which is based on safe mechanisms.
单元级测试针对操作系统的各个功能单元（用户命令、系统调用）进行安全机制的检查。
The unit class tests checks each function unit (user command, system call) of os which is based on safe mechanisms.
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