... You know what's easy? fork() is easy. ... That is, see if both the child and parent process use the same array.) ... If you know C or C++ and are pretty good using a Unix environment (or other POSIXey environment that supports these system calls) these documents are for you. ... As with Beej's Guide to Network Programming Using Internet Sockets , these documents are meant to springboard the aforementioned user into the realm of IPC by delivering a concise overview of various IPC techniques. ...