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- DIRECTORIES
-
- Directories are list of files and their
- attributes. File attributes include location,
- date of last modification, size, etc... and
- whether the entry is a directory or a file. This
- circular possibility, directories contain lists
- of files which may in turn be directories, makes
- them "tree structured". The "outermost"
- directory is called the root. Innermost
- branches are "leaves" and are always files.
- Nodes in between are called "branches" or sub-
- directories.
-
- The files produced by INDEX and used by
- LOCATE are associated with the node from which
- INDEX is run. INDEX also scans all the
- directories contained within the home directory
- and all of the directories within directories,
- etc... LOCATE returns a path name sufficient to
- reach any file from the home directory. If this
- notion is not clear it is best to create some
- directories and sub-directories, experiment with
- index, and draw maps of the trees.