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by bbanyc
840 days ago
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At one point I stumbled onto a document from circa 1990 laying out a fairly coherent rationale - / was always a filesystem on the local machine while /usr could be a site-wide NFS share across many machines. Thus you got things like splitting off architecture-independent /usr/share from binary /usr/lib (because if you have a few different kinds of workstations, you'd want one /usr per architecture but /usr/share could be site-wide) and creating /sbin from binaries that had been in /etc from day one. Oh and they came up with /var (also possibly a network share) so /usr could be mounted read-only. An interesting idea, but I have to figure the majority of Unix sites kept /usr on the local machine like always. |
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