The PCs bundle extends system. Linux being a free open source operating system means that the code that runs is open for everyone to see, work with, modify and develop their own innovative applications for you could try here things. But this is nothing compared for the money looking to get on Systems like ms windows. And a company bundles Linux and applications in line with it with a computer, rather a lot of laptop cost precipitates. Presently some branded PC's coming with Linux are obtainable for Rs: 25000/- onwards.
As for desktop managers, they have their own own window manager and other tools that make you imagine that you operate in Window frame! GNOME and KDE are the favorite of these. GNOME stands for GNU Network Model Environment and KDE for K desktop Environment. They have tools permit drag and drop, have panels and taskbar- equivalent to clones of windows.