Define X in module B, init it to some value. Now when module A is loaded, it can change value of X. In module B you know that module A is loaded if X value is changed. Usman S. Ansari ... Alif Laam Meem. This is the Book, in it is guidance sure, without doubt, to those who fear Allah. Who believe in the Unseen, are steadfast in prayer, and spend out of what We have provided for them (Quraan Chapter 2, v 1-3) -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ