Thanks Henry.
Also i have the problem with the standard input, but i don't know how i can redirect the standard input to "/dev/null". Could you please make an example?
this is ok?
"/BOXI/sap_bobj/enterprise_xi40/linux_x64//makeccvt" -o /BOXI/sap_bobj/enterprise_xi40/linux_x64/ < /dev/null
Regards