Original sentence: Ubuntu was awarded the Reader Award for best Linux distribution at the 2005 LinuxWorld Conference and Expo in London, has been favorably reviewed in online and print publications, and has won InfoWorld's 2007 Bossie Award for Best Open Source Client OS.com as the most popular Linux distribution for the desktop,  claiming approximately 30% of their desktop installations in both 2006 and 2007
Edited sentence: Ubuntu was awarded the Reader Award for best GNU/Linux distribution at the 2005 LinuxWorld Conference and Expo in London, has been favorably reviewed in online and print publications, and has won InfoWorld's 2007 Bossie Award for Best Open Source Client OS.com as the most popular GNU/Linux distribution for the desktop,  claiming approximately 30% of their desktop installations in both 2006 and 2007