In message <926344.73045.qm at web51302.mail.re2.yahoo.com> so spake Nilesh Salunke (salunke_nilesh): > Here are the file permissions. > # ls -l sudo > -rwS--x--x 2 root sys 122880 Apr 24 18:22 sudo Your sudo binary is mode 4011, it should be 4111. If you so "chmod 4111 sudo" you will be able to run it. - todd