-i, --id id
Print details only on the resource identified by id.
Display a help text and exit.
Display version information and exit.
Resource options-q, --queues
Write information about active message queues.
Write information about active shared memory segments.
Write information about active semaphore sets.
Write information about all three resources (default).
Of these options only one takes effect: the last one specified.
Show creator and owner.
Show resource limits.
Show PIDs of creator and last operator.
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.
Show status summary.
These affect only the -l (--limits) option.
Print sizes in bytes.
Print sizes in human-readable format.
The Linux pcp-ipcs utility is not fully compatible to the POSIX pcp-
ipcs utility. The Linux version does not support the POSIX -a, -b
and -o options, but does support the -l and -u options not defined by
POSIX. A portable application shall not use the -a, -b, -o, -l, and
This page is part of the PCP (Performance Co-Pilot) project.
Information about the project can be found at ⟨http://www.pcp.io/⟩.
If you have a bug report for this manual page, send it to
email@example.com. This page was obtained from the project's upstream
Git repository ⟨git://git.pcp.io/pcp⟩ on 2017-03-13. If you discover
any rendering problems in this HTML version of the page, or you
believe there is a better or more up-to-date source for the page, or
you have corrections or improvements to the information in this
COLOPHON (which is not part of the original manual page), send a mail
Performance Co-Pilot PCP PCP-IPCS(1)