Today Dell announced its re-entry in Linux based laptops. These laptops would be coming  pre-loaded with Ubuntu Linux and the good thing is that there is no dual boot of Windows which increases the speed of your machine and you work in the best operating system. If you require dual booting then you would have to buy Windows version laptop and install Linux manually. The configuration of XPS13 Laptop has 4GB of RAM with Intel Core i7 processor and 256GB solid state hard drive.