There are computers on campus but their use is strictly limited to certain users.

To satisfy those who prefer the earlier layout, the old board pages have been preserved for certain users.

Will you be limiting your range by targeting only certain wireless users?

Direct Licenses are issued after a certain user requires it.

In most grid computing systems, only certain users are authorized to access the full capabilities of the network.

The postcount is a measurement of how many posts a certain user has made.

Advertisements and content on a website may be tailored to provide the information that a certain user wants.

Computer writing tools should be tuned to certain users and tasks.

If certain users are excluded from the system of charges, this will inevitably mean that the total costs cannot be completely covered.

For instance, it is extremely difficult to create a wiki where only certain users can read and access some pages.