tldr/pages/linux/ipcs.md

ipcs

Show information about the usage of System V IPC facilities: shared memory segments, message queues, and semaphore arrays. See also: lsipc for a more flexible tool, ipcmk for creating IPC facilities, and ipcrm for deleting them. More information: https://manned.org/ipcs.

• Show information about all active IPC facilities:

ipcs

• Show information about active shared [m]emory segments, message [q]ueues or [s]empahore sets:

ipcs {{--shmems|--queues|--semaphores}}

• Show full details on the resource with a specific ID:

ipcs {{--shmems|--queues|--semaphores}} {{[-i|--id]}} {{resource_id}}

• Show limits in [b]ytes or in a human-readable format:

ipcs {{[-l|--limits]}} {{--bytes|--human}}

• Show s[u]mmary about current usage:

ipcs {{[-u|--summary]}}

• Show creator's and owner's UIDs and PIDs for all IPC facilities:

ipcs {{[-c|--creator]}}

• Show the PID of the last operators for all IPC facilities:

ipcs {{[-p|--pid]}}

• Show last access times for all IPC facilities:

ipcs {{[-t|--time]}}