Most desktop Linux distributions (Ubuntu, Fedora, PCLinuxOS, OpenSUSE) are equally suitable for laptops.
Yes. BackTrack is a Linux distribution that focuses on penetration testing and computer forensics.
Yes.
No, Ubuntu is part of Linux.
There are over three hundred active Linux distributions, with over a dozen different methods for installing software. Without knowing what distribution you are using, it is almost impossible to provide you with suitable and concise instructions.
Yes. Redhat Linux is suitable for all kind of server needs.
Ubuntu is a Linux distribution (as in a specific OS setup with the Linux kernel.)
Yes.
Scientific Linux is a Linux distribution. It is a free and open source operating system and aims to be as close to the commercial enterprise distribution as possible.
Windows 8, Linux
ArchLinux: Arch Linux is a lightweight and flexible Linux distribution with a simple user environment. The independently developed, x86-64 general-purpose GNU/Linux distribution provides the latest stable versions of most software by following a rolling-release model. The features of this distribution include pragmatic distribution, user centrality, versatility, simplicity, among others. Debian: Debian is a popular stable and secure Linux based operating system. Various popular Linux distributions, such as Ubuntu, PureOS, SteamOS, etc choose Debian as a base for their software. Notable features are: Extensive hardware support Provides smooth upgrades Security support for releases. Free and open-source software.
A server with a Linux distribution installed on it.
Many Linux distributions are intended for home users.