ARCHIVED: In BSD Unix, what are sockets, and how can I learn more about them?

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Sockets are the primary mechanism for interprocess communication (IPC) in BSD Unix. With SVR4, they're part of System V Unix as well. For more information, visit David Milun's web site, which has links to documents about sockets and Unix programming in general:

  http://www.cs.buffalo.edu/~milun/unix.programming.html