lsipc − show information on IPC facilities currently employed in the system
lsipc shows information on the inter-process communication facilities for which the calling process has read access.
−i, −−id id
Show full details on just the one resource element identified by id. This option needs to be combined with one of the three resource options: −m, −q or −s. The default −−id output format is possible to override by the −−list −−raw −−json or −−export options.
Show system-wide usage and limits for a single IPC type. This option may be combined with one of the three resource options: −m, −q or −s. The default is to show information about all resources.
Display help text and exit.
Display version information and exit.
Write information about active shared memory segments.
Write information about active message queues.
Write information about active semaphore sets.
Show creator and owner.
Output data in the format of NAME=VALUE.
Use the JSON output format.
Use the list output format. This is the default except for −−id.
Display each piece of information on a separate line.
Do not print a header line.
Don’t truncate output.
−o, −−output list
Specify which output columns to print. Use −−help to get a list of all supported columns.
Show PIDs of creator and last operator.
Raw output (no columnation).
Write time information. The time of the last control operation that changed the access permissions for all facilities, the time of the last msgsnd() and msgrcv() operations on message queues, the time of the last shmat() and shmdt() operations on shared memory, and the time of the last semop() operation on semaphores.
Display dates in short, full or iso format. The default is short, this time format is designed to be space efficient and human readable.
if incorrect arguments specified,
if a serious error occurs.
ipcrm(1), ipcmk(1), msgrcv(2), msgsnd(2), semget(2), semop(2), shmat(2), shmdt(2), shmget(2)
The lsipc utility is inspired by the ipcs utility.
The lsipc command is part of the util-linux package and is available from Linux Kernel Archive.