Polecenie ipcs

Report on all IPC facilities: shared memory segments, message queues, and semaphore arrays. This is the default.

Report on shared memory segments.

Report on message queues.

Report on semaphore arrays.

Print information on maximum size of the resource: size in bytes of messages or shared memory segments, and the number of semaphores per set in the case of semaphore arrays.

Print creator and owner user IDs for IPC facilities.

Print resource maximum and minimum limits.

Print outstanding usage of the resource in question: the number of messages and the total size of the message queue, or the number of processes using shared memory segments.

Print creator and last operation process identifiers.

Print attach, detach, and change times for shared memory segments, last operation and change times for semaphore arrays, and send, receive, and change times for message queues.

Print summary of current resource usage.

Print help message, then exit.

Used in combination with the -m, -q, or -s options. Report only on the resource specified by numeric identifier.