Yes
Linux is considered the easiest to learn and to install.
Re-install the operating system or install Linux.
It is a CD the has some form of Linux, an operating system for your computer (Microsoft Windows is an operating system). There are CDs of Linux that are just used to install Linux, or there are LiveCDs that you just put in and reboot. Linux will be running without effecting the rest of the computer.
If one or of the operating systems does not cooperate well with dual-booting (such as Windows with a Linux distribution), then you should install the troublesome operating system first. If both are well-behaved (such as two Linux distributions) then it does not generally matter.
Yes. Linux is a computer operating system.
You can install Windows or Linux using a USB memory stick.
Many distributions have documentation or builtin graphical installation utilities.
Yes. Linux can either replace the existing system or be installed alongside it in what is called "dual-booting."
Ubuntu( linux Operating System)
Linux is not an power full Operating system XP is the most powerfull operating system
Linux is a computer operating system which has recently become more more popular. One can download various Linux distributions directly from their website.