IPCS
ipcs
is an Linux user command that shows information on interprocess communication (IPC) facilities.
ipcs(1) - Linux manual page. (2022, August 31). Retrieved from https://man7.org/linux/man-pages/man1/ipcs.1.html
# ipcs -a
It shows information about active shared memory segments, active message queues, and active semaphore sets.
# ipcs -q
It shows the information on active message queues.
# ipcs -s
It shows the information on active semaphore sets.
# ipcs -m
It shows the information on active shared memory segments.
# ipcs -m -l
It shows the information on active shared memory segments and their limits.
# ipcs -m -c
It shows the information on active shared memory segments, their creator and owner.
# ipcs -m -p
It shows the information on active shared memory segments, their creator’s PID, and the last operator.
# ipcs -s -t
It shows the information on active semaphore sets, the time of their last control operation, and the time of their last semop
operation.
# ipcs -u
It shows status summary.