As of September 2009, the most common desktop operating system is Windows XP, with about 70% of the market share. Next is Windows Vista, with 18% of the market share. Mac OS X 10.5 is next with 3% of the market share. Windows 7 has 1.5% of the market share. Mac OS X 10.4 has about 1% and is virtually tied with Linux.
Windows XP was the most popular operating system.
the most popular operating system multitasking is kernel
iOS
One of the most popular and widely used operating system is Microsoft Windows. It is compatible with most devices and has proved to be user-friendly.
disk operating system(DOS)
Microsoft Windows
120v and 240v
Do you mean Windows? It's the most popular and compatible operating system available from Microsoft.
no
Linux and Sun Micro
Windows 7.
windows