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What does "link to unknown" mean?

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http://serverfault.com – I just upgraded my server to Fedora 17 which made a switch of my bootloader from GRUB Legacy to GRUB2. There are two symbolic links in the /etc folder that points to the files grub.conf and grub.cfg in /boot/grub and /boot/grub2 respectively. Though the targets seem correct, the link icons are displaying an X status which seems to indicate that the links are broken. Upon right-clicking the property type, it states "link to unknown". The file size of the link corresponds exactly with the file size of the target file, so, why does the links appear to be broken? The image of the link icons: A (HowTos)

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Submitted by dayu on 12/15/2012 – Made popular on 12/15/2012

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Say under directory /usr/local/boost_1_52_0/stage/lib, I have a symbolic link: libboost_timer.so, which points to the regular file libboost_timer.so.1.52.0 in the same directory.

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