Why use a Linux operating system? The real question here is, why wouldn’t you? Here are some reasons to consider using a Linux OS. 
Linux is…
- free.
- for the people, by the people.
- mainstream.
- worldwide.
- open-source.
- powerful.
- best for maximizing the use and performance of your hardware.
- ran on a live CD without first installing it.
- fast and easy to install.
- far less vulnerable than other operating systems to virus, spyware and malware attacks.
- zero to low maintenance: just run provided updates.
- available with new upgrades of the operating system released online.
- available in hundreds of various systems to choose from; from lean to mean.
- provided with thousands of software programs to download and install, equivalent to or better than other platforms.
- complete with plenty of documentation and online support forums.
- did I mention free?
Linux slogans…
- Open Minds. Open Sources. Open Future.
- May the source be with you!
- Penguin Inside.
- We go, where we want!
- How much do you want to pay tomorrow?!
- Penguin Powered.
- Free software for a free world.
- Linux. It is now safe to turn on your computer.
- Linux – The choice of the GNU generation.
- On the 8th day, god created Linux.
- Linux – Life is too short for reboots.
- We Know where we go Tomorrow!!
- Software is like sex, it´s better when it´s free!!
- Linux – Welcome to the Future!
- Linux – may the Source be with you!
- Accept no limits.
- Free software for free people.
- Linux – because it works.
- Linux – Less bugs for less bucks!