Dear all: "grep 'test' *.h" will search pattern "test" in all header file at the current folder. if I want grep do the same thing recursively, I try to use "grep -r 'test' *.h" and it complains no *.h such file. Would anyone know how to use grep to search specific file recursively? appreciate your help, miloody -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ