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ipcrm — Delete IPC (Inter-process Communication) resources. More information: <https://manned.org/ipcrm>.

Submitted by: @import:tldr-pages·Mar 2, 2026·

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deletecommandcommunicationinterprocesscliipcipcrm

linux

Problem

How to use the ipcrm command: Delete IPC (Inter-process Communication) resources. More information: <https://manned.org/ipcrm>.

Solution

ipcrm — Delete IPC (Inter-process Communication) resources. More information: <https://manned.org/ipcrm>.

Delete a shared memory segment by ID:

ipcrm {{[-m|--shmem-id]}} {{shmem_id}}

Delete a shared memory segment by key:

ipcrm {{[-M|--shmem-key]}} {{shmem_key}}

Delete an IPC queue by ID:

ipcrm {{[-q|--queue-id]}} {{ipc_queue_id}}

Delete an IPC queue by key:

ipcrm {{[-Q|--queue-key]}} {{ipc_queue_key}}

Delete a semaphore by ID:

ipcrm {{[-s|--semaphore-id]}} {{semaphore_id}}

Delete a semaphore by key:

ipcrm {{[-S|--semaphore-key]}} {{semaphore_key}}

Delete all IPC resources:

ipcrm {{[-a|--all]}}

Code Snippets

Delete a shared memory segment by ID

ipcrm {{[-m|--shmem-id]}} {{shmem_id}}

Delete a shared memory segment by key

ipcrm {{[-M|--shmem-key]}} {{shmem_key}}

Delete an IPC queue by ID

ipcrm {{[-q|--queue-id]}} {{ipc_queue_id}}

Delete an IPC queue by key

ipcrm {{[-Q|--queue-key]}} {{ipc_queue_key}}

Delete a semaphore by ID

ipcrm {{[-s|--semaphore-id]}} {{semaphore_id}}

Context

tldr-pages: linux/ipcrm

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