shmsid1

shmget(1) allocate a System V IPC shared memory segment shmread(1) reads the state of a shared memory segment shmwrite(1) writes to a shared memory segment shmperm(1) read and optionally alter the permissions for a shared memory segement shmsid(2) find the sid associated with a shared memory segment.

shmget(1) allocate a System V IPC shared memory segment shmperm(1) read and optionally alter the permissions for a shared memory segement shmread(1) reads the state of a shared memory segment shmwrite(1) writes to a shared memory segment