Actually it should be;
Code:
PATH=/sbin:/usr/sbin:/usr/bin:/etc:/export/home/abd/rose
export PATH
If you want is to search /export/home/abd/rose first, use;
Code:
PATH=/export/home/abd/rose:/sbin:/usr/sbin:/usr/bin:/etc
export PATH
I'm not sure why you would have /etc in your search path though?