i need some help please
im new in linux i have just install linux (ubuntu) on my sony vaio.
this is my second day using linux
in my atemtp to customize it (themes startup screen icon n others)when i try to restart or shutdown my computer i see that on exit menu shutdown and restart options does not apear.
apears only : switch user,hibernate,lock,log out and stand by options.
is anybody there who can help me to solve this prob????