lsipc from util-linux 2.27.1

Usage: lsipc [options] Show information on IPC facilities. Resource options: -m, --shmems shared memory segments -q, --queues message queues -s, --semaphores semaphores -g, --global info about system-wide usage (may be used with -m, -q and -s) -i, --id <id> print details on resource identified by <id> Options: --noheadings don't print headings --notruncate don't truncate output --time-format=<type> display dates in short, full or iso format -b, --bytes print SIZE in bytes rather than in human readable format -c, --creator show creator and owner -e, --export display in an export-able output format -J, --json use the JSON output format -n, --newline display each piece of information on a new line -l, --list force list output format (for example with --id) -o, --output[=<list>] define the columns to output -P, --numeric-perms print numeric permissions (PERMS column) -r, --raw display in raw mode -t, --time show attach, detach and change times -h, --help display this help and exit -V, --version output version information and exit Generic columns: KEY Resource key ID Resource ID OWNER Owner's username or UID PERMS Permissions CUID Creator UID CUSER Creator user CGID Creator GID CGROUP Creator group UID User ID USER User name GID Group ID GROUP Group name CTIME Time of the last change Shared-memory columns (--shmems): SIZE Segment size NATTCH Number of attached processes STATUS Status ATTACH Attach time DETACH Detach time COMMAND Creator command line CPID PID of the creator LPID PID of last user Message-queue columns (--queues): USEDBYTES Bytes used MSGS Number of messages SEND Time of last msg sent RECV Time of last msg received LSPID PID of the last msg sender LRPID PID of the last msg receiver Semaphore columns (--semaphores): NSEMS Number of semaphores OTIME Time of the last operation Summary columns (--global): RESOURCE Resource name DESCRIPTION Resource description LIMIT System-wide limit USED Currently used USE% Currently use percentage For more details see lsipc(1).