One is what the iSeries team refers to as direct and it is like pSeries Linux I/O. The I/O device is assigned specifically to the Linux partition and is fully managed by the Linux OS. The lists of devices are linked from the Linux on iSeries web pages at http://www.ibm.com/servers/eserver/iseries/linux/support.html.
The gulag system according to Russian statistics caused 1,053,829 deaths [1] or maybe 1.6 million. The Nazi death camps alone killed 3.2 million people[2] (in a period of 4-5 years 1941-1945), not to mention the endless number of labour and POW camps where millions perished as well.
Deaths from war and ethnic cleansing in Southern Europe after the fall of the Soviet Union: Unknown. They complain 4 million Muslims dead because of US military in 30 years. I see at least 100 million humans dead because of 1 Muslim in the last 100 years.