how kernel handles sharedmemory

hi I am surprised how kernel handles the shared memory. When I give issues shmget command, a sharedmemory is created and id is returned. then I can use that sharememory by assigning to a charector array. Now in my situation, presently there is a two

how kernel handles sharedmemory

hi I am surprised how kernel handles the shared memory. When I give issues shmget command, a sharedmemory is created and id is returned. then I can use that sharememory by assigning to a charector array. Now in my situation, presently there is a two