There's a Lot in the Dot: Filesystem Permissions and Pathnames (Part 2)Mar 26, 2010, 07:04 (0 Talkback[s])
(Other stories by Jerry Peek)
[ Thanks to An Anonymous Reader for this link. ]
"In the previous article we saw how the hidden directory entries named . (dot) and .. (dot dot) tie the filesystem together. Those names are hard links that reference the actual filesystem object through the index number. A directory always has at least two names: . and its given name. You can always reach the parent directory through the .. entry.
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