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hewig-ovens
n00b
Joined: 12 Feb 2010
Posts: 5
Location: china
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 Posted: Sat Feb 13, 2010 6:57 am Post subject: why /boot/boot is a symbolic link? |
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#file /boot/boot
#/boot/boot: symbolic link to '.'
I am very curious about why~
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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 55178
Location: 56N 3W
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| Posted: Sat Feb 13, 2010 10:35 am Post subject: |
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hewig-ovens,
Its to keep the grub documentation simple.
When you do not have a boot partition and /boot is a directory on the / (root) partiton, the pathname to your kernel is
and the root (hdx,y) statement points to your / (root) partition.
Now everything works as expected.
When you have a real boot, the root (hdx,y) statement points to the boot partition and a kernel at /boot/kernel... will not be found as the path /boot does not exist.
As the filesystem tree is not assembled when grub boots the system, you can't point root (hd,x,y) to / as /boot is not attached.
The solution is a symlink called boot, pointing to itseld (.) so the kernel can still be at but now, the symlink is used to satisfy the reference to /boot
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NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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hewig-ovens
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Joined: 12 Feb 2010
Posts: 5
Location: china
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| Posted: Sun Feb 14, 2010 7:55 am Post subject: |
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NeddySeagoon,thanks very much~ 
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