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Old 07-28-2010, 07:02 AM   #1
siva balan
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root directory

i am using fedora 13. when i list the root directory with the command

'ls -la'

i see the parent directory symbol as '..'

So, which is the parent directory for root diectory?
Old 07-28-2010, 07:12 AM   #2
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There isn't a parent directory for /. "cd .." does nothing from /. Why there's a .. entry in /, I don't know, however.
Old 07-28-2010, 08:18 AM   #3
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All directories are required to have a link to their parent and themselves. The root directory is a special case as it is it's own parent. You can see this by adding -i to the ls command;

cd /
ls -ali
The -i option shows the inode number which is unique for each file and directory on a partition. Your output might be something like;

total 112
      2 drwxr-xr-x  22 root root  4096 Jun 12 12:41 .
      2 drwxr-xr-x  22 root root  4096 Jun 12 12:41 ..
 407201 drwxr-xr-x   2 root root  4096 Jul 27 09:36 bin
 879553 drwxr-xr-x   3 root root  4096 Jul  9 12:38 boot
     12 lrwxrwxrwx   1 root root    11 Apr 24 09:39 cdrom -> media/cdrom
      4 drwxr-xr-x  18 root root  3360 Jul 19 09:56 dev
 749249 drwxr-xr-x 110 root root 12288 Jul 28 09:51 etc
Note that . and .. have the same inode number. So doing cd .. has the same effect as cd . you change to the directory you're already in.

Last edited by redgoblin; 07-28-2010 at 08:20 AM. Reason: Removed the phrase "hard link" to avoid confusion.


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