IPCS(1) IPCS(1) (NAME) ipcs - IPC (SYNOPSIS) ipcs [options] (DESCRIPTION) ipcs (IPC) System V . : . (OPTIONS) -i, --id id id . : -m -q -s. -h, --help . -V, --version . (Resource options) -m, --shmems . -q, --queues . -s, --semaphores . -a, --all (). (Output formats) : . -c, --creator . -l, --limits . -p, --pid PID . -t, --time . msgsnd(2) msgrcv(2) shmat(2) shmdt(2) semop(2) . -u, --summary . (Representation) -l (--limits) . -b, --bytes . 2^10 (1024) . : "1 KiB" "1 MiB" "1 K" "1 M" "iB" . --human . (CONFORMING TO) ipcs ipcs POSIX . -a -b -o POSIX -l -u POSIX . -a -b -o -l -u . (NOTES) ipcs IPC /proc/sysvipc . v2.23 util-linux : IPC_STAT msgctl(2) semctl(2) shmctl(2). util-linux /proc . IPC_STAT IPC . (AUTHORS) Krishna Balasubramanian (SEE ALSO) ipcmk(1), ipcrm(1), msgrcv(2), msgsnd(2), semget(2), semop(2), shmat(2), shmdt(2), shmget(2), sysvipc(7) (REPORTING BUGS) . (AVAILABILITY) ipcs util-linux . . util-linux 2.41.5 2026-06-16 IPCS(1)