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ipcs - Online in the Cloud

Run ipcs in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command ipcs that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


ipcs - show information on IPC facilities

SYNOPSIS


ipcs [options]

DESCRIPTION


ipcs shows information on the inter-process communication facilities for which the calling
process has read access. By default it shows information about all three resources:
shared memory segments, message queues, and semaphore arrays.

OPTIONS


-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.

-h, --help
Display help text and exit.

-V, --version
Display version information and exit.

Resource options
-m, --shmems
Write information about active shared memory segments.

-q, --queues
Write information about active message queues.

-s, --semaphores
Write information about active semaphore sets.

-a, --all
Write information about all three resources (default).

Output formats
Of these options only one takes effect: the last one specified.

-c, --creator
Show creator and owner.

-l, --limits
Show resource limits.

-p, --pid
Show PIDs of creator and last operator.

-t, --time
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.

-u, --summary
Show status summary.

Representation
These affect only the -l (--limits) option.

-b, --bytes
Print sizes in bytes.

--human
Print sizes in human-readable format.

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