In the Lab IN.R.015 is present the workstation lthipc24.epfl.ch at disposition of all users. This workstation has a scanner and a DVD-RW device, and can be used for scanning documents and to write DVD-RW or CD-RW. The users can write a DVD or a CD directly using the graphical tool of the Desktop or copying an ISO image directly to the Writer. The supports (the CD or DVD) must be provided by the user itself.

To generate a copy of your files on a CD-R ot on a DVD-R, login in the machine and click on the Computer icon in order to open it. From the menu Places of this window select CD/DVD creator. In order to create the copy of your files move/copy all the files you want in this windows and click on the button Write to Disc. Remember to put a writable DVD/CD inside the writer, before clicking the button and remember that you can't write more than 4.2 Gbytes on a single DVD (for CD the limit is 700 Mbytes).

In this case, jus browse in the directory where the ISO image you want write is located, select it and press the right button of the mouse. In the menu list you can find the voice **Write do disc…*. Click on this voice and the process of writing start.

To write a DVD you can use the growisofs utility. This program can generate the ISO image and write the DVD on the fly. You can use it also to write an ISO image directly.

To write a CD you must use the mkisofs and cdrecord utilities. The mkisofs program is used n order to generate the ISO image od the CD and the cdrecord is used to write the ISO imag on the CD. Of course you can create the iso image without writing it. The cdrecord program has a lot of options disponible, just use the online manual to explore all the possibilties.