[cs615asa] Symbolic links

Shashwath Veerappa Devaru sveerapp at stevens.edu
Wed Mar 4 11:21:05 EST 2009


Hi,

Here is some info abt symbolic links 
(courtesy:http://linuxreviews.org/beginner/#toc18)

 ln - make symbolic links

A symbolic link is a "file" pointing to another file.

To make a symbolic link :

  ln /original/file /new/link

This makes /original/file and /new/link the same file - edit one and 
the other will change. The file will not be gone until both 
/original/file and /new/link are deleted.

You can only do this with files. For folders, you must make a "soft" 
link.

To make a soft symbolic link :

  ln -s /original/file /new/link

Example:

  ln -s /usr/src/linux-2.4.20 /usr/src/linux

Note that -s makes an "empty" file pointing to the original 
file/folder. So if you delete the folder a symlink points to, you will 
be stuck with a dead symlink (just rm it). 


Shashwath

Chih-Yuan Lee wrote:


>Hi All,
>
>I have a question about symbolic links. Does anyone know what the 
>exactly meaning of symbolic links? 
>
>Thanks,
>Lee 
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