@book{49060,
	author = {Hahn, Harley},
	title = {Harley Hahn's guide to Unix and Linux /},
	publisher = {McGraw-Hill Higher Education,},
	year = {c2009},
	address = {Boston :},
	note = {Includes indexes},
	url = {http://www.loc.gov/catdir/enhancements/fy0810/2007052525-t.html}
}