FeliCa supports simultaneous access of up to 8 blocks (1 block is 16 bytes).

The remote interface offers simultaneous access from multiple remote locations.

It provides simultaneous access to "deep web" scientific databases, which are typically not searchable by commercial search engines.

Implementing spin locks correctly is difficult because one must take into account the possibility of simultaneous access to the lock, which could cause race conditions.

Others allow for a copy to be placed on a network server but limit the number of users who can gain simultaneous access.

Oracle databases control simultaneous access to data resources with locks (alternatively documented as "enqueues").

Using a 'server' separate from one or more front-end units has the obvious advantages of multiple simultaneous access to shared media files.

But other problems remain as the Government seeks to give everyone simultaneous access to information that seems to become more important each month.

Record locking is the technique of preventing simultaneous access to data in a database, to prevent inconsistent results.

Shared disk file systems allow multiple machines to use a single hard disk safely by coordinating simultaneous access to individual files.