Hi, There: I got sudo 1.6.3p5 from sudo website and built it using Sunpro4.2. I can run some basic command. When I tried to run pkgadd using sudo command, it panic the system causing Solaris 2.7 reboot. Does anybody there has the same problem? Thanks. Regards Zhiguang Qian ClearCase Admin eDGE in BMO 416-549-6200