file sharing is illegal. itunes doesn’t want you to collect songs from your family and friends to put on your ipod.stick with one computer.
Yes, if the songs were purchased from iTunes store, you can use “Transfer Purchases” option to transfer. See http://support.apple.com/kb/HT1329
If some of your songs were from other sources, you will need to utilize some iPod transfer program to help you, like this handy one called Tansee iPod Transfer
http://www.gutensoft.com/Utilities/Tanse…
Many of my friends are using it for its easy and safe transfer.
With just a few simple clicks, it will help you transfer all songs/videos from iPod to your selected folder on your computer, and then you can also easily add those files back to iTunes.
DVD ripper is a computer program that facilitates copying the content of a DVD to a hard disk drive.
DVD Ripper can rip DVD to AVI MPEG WMV DivX H.264/MPEG-4 AVC MP4 MP3 WMA excellently.
Here is step-by-step guide on the whole process:
http://gutensoft.com/Guide/How-to-transf…
Best luck!
For more iPod support information you can also go to http://www.apple.com/support/
or search more at http://google.com