Not sure I understand everything, but here goes...
1-4/
https://www.mobileread.com/forums/showthread.php?t=88004
Code:
uname -snrvmo
Linux river 2.6.35.5-niluje-r1 #1 SMP PREEMPT Thu Sep 23 00:37:36 CEST 2010 i686 GNU/Linux
5/ Off-topic, we're on the Kindle board, so no idea.
6/ No.