1.0 link Rainbow Dash Network http://rainbowdash.net/ Cerulean Lulamoon-Spark (ceruleansparkold) http://rainbowdash.net/ceruleansparkold http://rainbowdash.net/notice/2086643 @<span class="vcard"><a href="http://rainbowdash.net/user/4200" class="url" title="Joe"><span class="fn nickname">purplephish20</span></a></span> Grub (The B stands for bootloader) is a way of loading an operating system so it can be used. They're probably installing Linux on the machines too, and using grub to let you choose which you want at boot time.