Hi, I got a message as followings:- ===== mail start === Updating src and othersrc trees: U doc/README.sup U src/bin/ls/ls.1 U src/gnu/usr.bin/gcc2/cc1/Makefile . . . . ===== end of mail === Can anyone tell me what this means and what should I do to corporate with it . Cheers. clarence clarence@cs.cuhk.hk