a restart button on your desktop:
1. Create a shortcut (Right-click on desktop, select New > Shortcut).
2. For location, type the following:
shutdown -r -t 0
3. Click Next, enter a name for the shortcut ("Restart" is appropriate), and click Finish
and for the shutdown shortcut:
1. Create a shortcut (Right-click on desktop, select New > Shortcut).
2. For location, type the following:
C:\WINDOWS\system32\tsshutdn.exe 0 /DELAY:0 /POWERDOWN
3. Click Next, enter a name for the shortcut ("Shutdown" is appropriate), and click Finish
Dunno bout the hibernation shortcut...