shmget
- shmget KEY,SIZE,FLAGS
Calls the System V IPC function shmget. Returns the shared memory segment id, or the undefined value if there is an error. See also "SysV IPC" in perlipc and
IPC::SysVdocumentation. 
Calls the System V IPC function shmget.  Returns the shared memory
segment id, or the undefined value if there is an error.
See also "SysV IPC" in perlipc and IPC::SysV
 documentation.