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}}