ipcmk

Create IPC (Inter-process Communication) resources. More information: https://manned.org/ipcmk.

• Create a shared memory segment:

ipcmk --shmem segment_size_in_bytes

• Create a semaphore:

ipcmk --semaphore element_size

• Create a message queue:

ipcmk --queue

• Create a shared memory segment with specific permissions (default is 0644):

ipcmk --shmem segment_size_in_bytes octal_permissions