hello, whatever i did was with good intention. if i have made mistakes,please forgive me. i will attach the patch which i have used to patch debian source of coreutils from sid. actually the file i attached in my previous mail was for debian source from sid and not for upstream coreutils. anyway i will read ... http://git.savannah.gnu.org/cgit/coreutils.git/tree/HACKING Please see the attachment. Thanks. /Jeffrin. -- software engineer rajagiri school of engineering and technology.