Change the shell prompt for root and your user. The lines containing 'SUDO_PS1' are required if you choose to install 'sudo' through Package Managment:

$ vi ~/.profile
PS1='\u@\h:\w\$ '
SUDO_PS1='\u@\h:\w\$ '
export SUDO_PS1

Add the following line to the end of the profiles of root and your user:

$ vi ~/.profile
PATH=/opt/bin:/opt/sbin:$PATH

Background image: User menu –> Options –> Desktop