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Also known as a concordance. And they are still relevant and quite useful. A good example is quickly identifying bible verses when you only know a few words. Another example would be indexing all of Shakespeare's sonnets to enable similar quick lookup by keyword.


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Yes, the difference is in the order of processing .. and symbolic links. Here's an example of how this can make a difference. I have an external disk mounted at /root/Archives, and a symbolic link pointing to it from my home: $ pwd /home/katsura $ ls -ld Archives lrwxrwxrwx 1 root root 14 Oct 23 2013 Archives -> /root/Archives realpath resolves the ...


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The -h flag (aka --no-dereference) is a good flag to use. Let's say we have this setup: $ ln -s /etc/passwd /tmp/foobar $ sudo chown fred /tmp/foobar Because --dereference is the default, this will actually change /etc/passwd... which is probably not what you want :-) The -h flag would make it change the symlink ownership instead. So you should get ...



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