Delete a shared memory segment by key

Delete IPC (Inter-process Communication) resources.
More information: <https://manned.org/ipcrm>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

ipcrm --shmem-key {{shmem_key}}

click the source code to copy install ipcrm on any operating system with command-not-found.com