Existen varias formas de vaciar el contenido de ficheros en sistemas Unix desde la línea de comandos, algunas de ellas son las siguientes:
# echo "" > fichero
# > fichero
# :> fichero
# cat /dev/null > fichero
# true > fichero
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Para que sirven todas estos item q me envían. No entiendo estos términos
«echo » > fichero» deja un «\n»