Administrative Tools 빨리가기: Start >> Right click on "Computer" >> Manage

An OS is pure software while a platform is the combination between the OS and the kind of hardware, especially the CPU, it runs on.

플랫폼(platform) = OS + Hardware (CPU)

출처: 

http://sergeswin.com/1124

http://blog.naver.com/edithtoday/220312322211

http://answers.microsoft.com/en-us/windows/forum/windows_7-performance/how-can-i-edit-the-os-name-in-the-boot-manager-of/19891f91-0076-e011-8dfc-68b599b31bf5

a.        Start the Operating System (ex: Windows 7) that you want to change the name of in the Windows Boot Manager screen.

b.       Click Start and type cmd in the start search box. From the programs list right click on cmd and select Run as Administrator.

c.        In the command prompt, type bcdedit and press enter.
NOTE: This will let you see what the name of the {current} operating system name is. This will be the operating system that you are currently in (ex: Windows 7).

d.       Now type the following command and press enter.
bcdedit /set {current} Description "name you want"

e.        In the elevated command prompt, type bcdedit and press enter.
NOTE: This will let you see and verify the new name of the {current} operating system.

http://pspsim.blog.me/220247774736