Hi i have read in the RH9 documentation that we could provide a different script interpreter in the %pre section file I just try %pre --interpreter /usr/bin/perl but i got a message that /usr/bin/perl cannot be run. then what script language are available in the %pre section? Thanks in advance for any help -- Eric Doutreleau I.N.T | Tel : +33 (0) 160764687 9 rue Charles Fourier | Fax : +33 (0) 160764321 91011 Evry France | email : Eric.Doutreleau@xxxxxxxxxxx