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    SubjectRe: Can't hardlink in different dirs. (BUG#826)
    Date
    Like it or not, Unix link() semantics have allowed links to unwritable files
    from the very beginning. There is no telling what you might break if you
    changed it; historically, spooling systems of various sorts have used such
    links for locking and queue manipulation. And as others have pointed out,
    allowing a link to a file can be an extremely useful way of sharing it
    without (1) making a copy, (2) making it public, or (3) making it writable.

    -Ed



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