http://books.google.co.ve/books?id=UGVEeqWyjgoC&printsec=frontcover&dq=LINUX+WINDOWS&hl=es&ei=Hgp9TaatA-SY0QHBkr3hAw&sa=X&oi=book_result&ct=result&resnum=1&ved=0CCUQ6AEwAA#v=onepage&q&f=false
http://books.google.co.ve/books?id=I6MTYNIux9oC&printsec=frontcover&dq=LINUX+WINDOWS&hl=es&ei=0RV9TZfmMLSN0QGijuDdAw&sa=X&oi=book_result&ct=result&resnum=2&ved=0CCoQ6AEwAQ#v=onepage&q&f=false
http://books.google.co.ve/books?id=Ww1gNcF0FRkC&printsec=frontcover&dq=LINUX+WINDOWS&hl=es&ei=EhZ9Ta-CFoWO0QHN9_DSAw&sa=X&oi=book_result&ct=result&resnum=3&ved=0CDAQ6AEwAg#v=onepage&q&f=false
http://books.google.co.ve/books?id=NxMeJaLZAHwC&printsec=frontcover&dq=LINUX+WINDOWS&hl=es&ei=VBZ9TbShDKbe0gGToeXpCA&sa=X&oi=book_result&ct=book-thumbnail&resnum=4&ved=0CDcQ6wEwAw#v=onepage&q&f=false
http://books.google.co.ve/books?id=0SM3PEH9gagC&printsec=frontcover&dq=LINUX+WINDOWS&hl=es&ei=eRZ9TbH6D-iM0QHG3-zTAw&sa=X&oi=book_result&ct=result&resnum=4&ved=0CDUQ6AEwAw#v=onepage&q&f=false
SISTEMA OPERATIVOS: WINDOWS &LINUX
