First time ubunu user, copying a folder to a root directory

[وفا خلیقی، Vafa Khalighi]

Hi, I am just a new ubuntu user and used suse previously, ubuntu is far better than suse but I have a bit of problem

when I try to copy or say drag and drop a folder to  a root directory, It does not allow me to do it. I activated my root account and I can activate it by writing su in the terminal but when I open gdm.conf and change Allowroot=false to Allowroot=true, it does not allow me to save it having in mind that I entered su in the terminal so I should have a root permision.

Can you please tell me how can I copy a folder from desktop to a root directory.

Thanks

"I hope to die                                      ___       _____
before I *have* to use Microsoft Word.",           0--,|    /OOOOOOO\
Donald E. Knuth, 02-Oct-2001 in Tuebingen.        <_/  /  /OOOOOOOOOOO\
                                                   \  \/OOOOOOOOOOOOOOO\
                                                     \ OOOOOOOOOOOOOOOOO|//
Vafa Khalighi                                        \/\/\/\/\/\/\/\/\/
                          //  /     \\  \
                  ^^^^^       ^^^^^

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