Windows XP 用了多少行寫成?

Windows XP has several editions during these years:2001–2005: Windows XP—Stable, usable, and fastpartly copied from mircosoft.com



Windows XP 64-bit Edition (2001) is the first Microsoft operating system for 64-bit processors designed for working with large amounts of memory and projects such as movie special effects, 3D animations, engineering, and scientific programs.Windows XP Media Center Edition (2002) is made for home computing and entertainment. You can browse the Internet, watch live television, enjoy digital music and video collections, and watch DVDs.Windows XP Tablet PC Edition (2002) realizes the vision of pen-based computing. Tablet PCs include a digital pen for handwriting recognition and you can use the mouse or keyboard, too.Geek trivia: Windows XP is compiled from 45 million lines of code.4千5百萬行