(http://1.bp.blogspot.com/-S_Pig3-g0JU/VnBBD5I6FGI/AAAAAAAAAMs/UCZPiyZdN4I/s320/CursoOperadorDebianGNU-Linux.png)
(http://4.bp.blogspot.com/-wHl7x6m1r5k/VcVDF6ptyhI/AAAAAAAAAKE/zDHvA1GAkzE/s200/mega5.png) (https://mega.nz/#!xBlw0LCB!6NOWK4fN5A0oWHMolq7hoSBeF8SAsD9FeiL81LUbjlk)
Fuente: todo-sobre-programacion.blogspot