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Old 10-20-2008, 09:56 AM   #1
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Why Symlink is required?


I m newbee in Linux and have a querry, why do we need a symlink and whats its advantage. Pls explain in a simple language.
Old 10-20-2008, 10:09 AM   #2
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a symlink is the equiv to a shortcut.

You don't 'need' them, but they can be damn handy.
Old 10-20-2008, 10:20 AM   #3
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Originally Posted by arckane View Post
a symlink is the equiv to a shortcut.
...only better. At least symlinks work reliably and for the most part transparently; that is, so that you can really access and manipulate the file through its symlink as if it were actually in the symlink's location. I don't think I've ever seen a Windows shortcut that you could do anything useful with.

As for the OP's question, a symlink is just that, a link that lets you access a file from a location other than the one it physically resides in. It's the kind of thing that has a multitude of uses, such as "collecting" a bunch of separate files into one directory without actually moving them from the original location, or giving a file with a hard-to-type name one that's easier to use, again without messing with the original.

A good use of symlinks can be found in the /dev directory. Your disk drive devices might all be labled /dev/hda, /dev/hdb, dev/hdc, and so on, without anything to differentiate them. But you can use udev rules to create symlinks such as /dev/cdrom, /dev/dvd-r, /dev/mainhdd, and so on, so that you can always access the drive you want without confusion.
Old 10-20-2008, 10:33 AM   #4
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Old 10-20-2008, 11:04 AM   #5
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Hey David, thanks.
it was useful.


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