I get this on certain *.tar.gz: root@argo:/usr/local# tar xvzf portsentry-1.2.tar.gz gzip: stdin: not in gzip format tar: Child returned status 1 tar: Uscita per errore ritardata dall'errore precedente It happens on some packages ... other don't !I still can't seee a logic on the way it happens .I have a debian sarge 3.1 2.6 . Thanks !