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Linux in a Nutshell

This directory of Linux commands is from Linux in a Nutshell, 5th Edition.

Click on any of the 687 commands below to get a description and list of available options. All links in the command summaries point to the online version of the book on Safari Bookshelf.

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ipcrm [options]

System administration command. Remove interprocess communication (IPC) message queues, shared memory segments, or semaphore arrays. These may be specified either by numeric identifier or by key, using the following options.


-m identifier, -M key

Remove specified shared memory segment and its associated data structures after the last detach is performed.

-q identifier, -Q key

Remove specified message queue and its associated data structures.

-s identifier, -S key

Remove specified semaphore array and its associated data structures.

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