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Also, we're possibly one step nearer to Plan9's portable /bin concept (where each user overlays her binaries with those provided by the system).

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So I tried looking around for info on this but my Google-fo is kind of weak. If you are still following these comments can you expound on this? It sounds very, very interesting.

Try this to start:

http://plan9.bell-labs.com/sys/doc/names.html

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