(1) To split into two. See
forked version,
hard fork and
crypto fork.
(2) In Unix, to make a copy of a process for execution.
(3) In the Mac file system, a fork is a top-level structure that separates data folders and files from other resources. See
HFS.
(4) In a SIP telephony system, to search multiple locations for a recipient. See
forking proxy.