I've seen this line in the dh_configure file of the mutt package and I'm asking some questions about this : 1 ) Is the exec necessary ? What does it stand for ? 2 ) What's the ${1+"$@"} the ${} means that it will be replaced by the output of the command inside but what's the 1+"$@" ? -- | . ICQ : 25529539 | | |\ | | | \ / AIM : linhax |___ | | \| |__| / \ IRC nick : linhax Sami Dalouche : samid@ifrance.com DHIS : pingoo.dhis.org