The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
Calls the System V IPC function shmget. Returns the shared memory
segment id, or undef on error.
See also SysV IPC in perlipc and IPC::SysV
documentation.
