There are too many to list, as the it would take many pages to just list the titles
the most common distributions are:
Centos
Redhat Enterprise
Debian
Ubuntu
Slackware
Gentoo
Most Linux distributions are free
"Distros", or distributions.
the kernal is the central part of the Linux operating system and determines how the system works - all distributions of Linux are based on this.
Linux is an operating system on which a wide array of system distributions (Such as Ubuntu and Android.) are built.
Linux is an operating system on which lots of system distributions, such as Ubuntu, Android, Chrome OS, Archlinux, are built.
Many distributions have documentation or builtin graphical installation utilities.
A Linux distribution, known as distro or flavor, is an operating system that uses the Linux Kernel. I think the most common one is Ubuntu.
GCC is already for the most part preinstalled in many, if not all, GNU/Linux distributions.
Linux is an open source Kernel a key element in any operating system responsible amongst other things for managing memory. A Linux distribution is an operating system based on the Linux kernel, there are many Linux distributions. Please reword the question.
Linux differs from traditional operating system primarily in the fact that most distributions are available free of cost.
An operating system is usually defined as a collection of software used to create a complete and usable system. By that definition, he did not create any operating system. Torvalds created the most important piece of an operating system, a kernel. The kernel he created is called Linux.
Yes. Windows 7 is a system distribution in the Windows family built around Microsoft's proprietary NT operating system. Ubuntu is also one of many Linux distributions built around the open source Linux operating system.