SET DEFAULT OS

Many users require multiple operating
systems especially after the launch of
windows vista.If multiple operating
systems are installed on your
system,you would have to select one
from the menu each time your pc
boots.If you are frequently using an
operating system,for example windows
xp,you can configure your system to
select windows xp as the default
operating system.To do so:
double click the "my computer"icon
on your desktop,
in the resulting windows,click the
"system properties"button.
Click the "advanced system
setting"link from the left panel.The
"system properties"dialog box will
appear.
Click the "advanced"tab.
Click the setting button under the
startup and recovery section
select the operating to be set as
default during startup from the
DEFAULT OPERATIng SYSTEM drop
down list
once done click ok.