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What did I do wrong while creating a symbolic link to /tmp?

$ sudo mkdir /mnt/tmp/
$ ln -s /mnt/tmp/ /tmp/
$ ls -alh /tmp
total 12K
drwxrwxrwt  3 root   root   4.0K Sep 28 05:29 .
drwxr-xr-x 23 root   root   4.0K Aug 26 05:44 ..
lrwxrwxrwx  1 ubuntu ubuntu    9 Sep 28 04:53 tmp -> /mnt/tmp/
drwx------  6 ubuntu ubuntu 4.0K Sep 28 04:54 tmpDcI8v2
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  • 2
    you made a symlink in /tmp to /mnt/tmp. Did you actually want to make a symlink from /mnt/tmp to /tmp ? – Zanna Sep 28 '16 at 5:47
  • I wanted to make a symbolic link from /tmp to /mnt/tmp. – user977828 Sep 28 '16 at 8:54
  • then you did it right :) – Zanna Sep 28 '16 at 8:57
6

Nothing went wrong. You used the 3rd form of ln syntax:

You ordered to create a symbolic link to /mnt/tmp and place it in /tmp.

As /tmp is an existing directory, system will create the link with the same name as the target, i.e. tmp inside that directory.

You end up with a symbolic link /tmp/tmp pointing to the /mnt/tmp which is what you see in the directory listing.


There are two things that might have confused you:

  • the order of arguments in ln is: first the target, then the link name
  • if you provide an existing directory instead of the link name, ln will create a link inside that directory

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