-5. `IPC`: (InterProcess Communication) manages access to InterProcess Communications). `IPC` namespaces isolate your container's System V IPC and POSIX message queues, semaphores, and named shared memory from those of the host and other containers, unless another container specifies on run that it wants to share your namespace. It would be a lot safer if the producer could specify which consuming containers could use its [namespace](http://man7.org/linux/man-pages/man7/namespaces.7.html). IPC namespaces do not include IPC mechanisms that use filesystem resources such as named pipes.
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