stdin: Not a typewriter
Generating locales...
  en_US.UTF-8... done
Generation complete.
pwconv: failed to change the mode of /etc/passwd- to 0600
Using CD-ROM mount point /cdrom/
Identifying.. [2a5e7f83c23b260329984a1b29a01779-2]
Scanning disc for index files..
Found 4 package indexes, 0 source indexes, 0 translation indexes and 1 signatures
Found label 'Xubuntu 12.10 _Quantal Quetzal_ - Release amd64 (20121017.1)'
This disc is called: 
'Xubuntu 12.10 _Quantal Quetzal_ - Release amd64 (20121017.1)'
Copying package lists...gpgv: Signature made Wed Oct 17 17:15:56 2012 UTC using DSA key ID FBB75451
gpgv: Good signature from "Ubuntu CD Image Automatic Signing Key <cdimage@ubuntu.com>"

Reading Package Indexes... 0%

Reading Package Indexes... 10%

Reading Package Indexes... Done
Writing new source list
Source list entries for this disc are:
deb cdrom:[Xubuntu 12.10 _Quantal Quetzal_ - Release amd64 (20121017.1)]/ quantal main multiverse restricted universe
Repeat this process for the rest of the CDs in your set.