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home directory(1) A storage folder that contains the user's personal files. Starting with Windows Vista, the Windows home directory is \user\username. In prior Windows versions, it was \Documents and Settings\username. In the Mac, the home directory is /users/username, and in most Linux/Unix systems, it is /home/username.
(2) A storage folder assigned to each user on a Unix system attached to the Internet. At login, the home directory is the starting folder. It can be used to store permanent and temporary files, a user profile that can be viewed (see finger), as well as lists of newsgroups that have been subscribed to. See tilde.