why my samba doesn't work

[gubxing]

hi,all
i am using samba these days

i download the source(samba.version.tar.gz)
then i run this
#configure --prefix=/usr/local/samba
#make
#make install
then i copy the smb.conf to /usr/local/samba/lib
and then i run /usr/local/samba/sbin/smbd -D
/usr/local/samba/sbin/nmbd -D
it isn't any error message
but i can't find it is running
and port 139 is not listened
what should i do
help me
thank u

i like linux!