ipcs
[options
]
Print data about active interprocess communication facilities.
Report on active shared memory segments.
Report on active message queues.
Report on active semaphores.
With the -m, -q, or -s options, only the specified interprocess facility is reported on. Otherwise information about all three is printed.
Use all of the print options (short for -bcopt).
Report maximum allowed number of message bytes, segment sizes, and number of semaphores.
Report the creator's login name and group.
file
Read status from file
instead of from /dev/kmem.
list
Use the argument for the named list
instead of /stand/unix.
Report outstanding usage.
Report process numbers.
Report time information.