Practica "ambiente de trabajo"

Practica 11 on Prezi

Fuentes bibliográficas: http://delialupita.blogspot.mx/2009/04/utilerias.html https://www.google.com.mx/#hl=es&output=search&sclient=psy-ab&q=que+son+los+shells&oq=que+son+los+shells&gs_l=hp.3...68587.73024.5.74080.18.16.0.0.0.0.1209.8713.2-2j2j1j2j6j1.14.0...0.0...1c.1.KJt4eSZ0N9I&pbx=1&bav=on.2,or.r_gc.r_pw.r_cp.r_qf.&fp=f84d6953c4ae200c&bpcl=35243188&biw=1024&bih=499 http://geneura.ugr.es/~jmerelo/ic/node16.html