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Alias vs. symbolic link
So, why then aren't aliases simply implimented using symbolic links? It would seem to me to make much more sense as far as getting the GUI and CLI to work well together. What are the advantages of the current implimentation of aliases, other than legacy OS9 compatibility?
Alias vs. symbolic link
Aliases do not quite work the same in X as they did in Classic; however there are a few reasons they are still around:
Hard links
... are quite unique. They are additional directory entries for a given file or folder. The file itself maintains a reference count indicating how many directory entries are allocated to it. If you delete the original file and you have a hard link to that file then the file is not in fact deleted, but only the directory entry for the file, and the reference count is decremented. The hard link then becomes the primary directory entry for the file. Only when all hard links are deleted - and the reference count goes to 0 - will the file actually go away. |
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