How does linux stack up to its competitors? Here are three different comparisons that seek to answer this question: Linux VS Your cat, Linux VS Your Grandmother, and Linux VS The Soviet Union. Who wins? I'll leave that up to you.

Linux is free!
Your cat may have been free.

Linux can go years between shutdowns.
Your cat spends more time asleep that it does awake.

Linux does a kernel panic when it encounters something it doesn't understand.
Your cat poofs its fur up and hisses when it encounters something it doesn't understand.

Linux has a cute bird for a mascot.
Your cat enjoys eating cute birds.

Linux enjoys warm server rooms.
Your cat also enjoys warm server rooms.

If you do something stupid in Linux, you could potentially damage your computer.
If you do something stupid to your cat, it could potentially damage your hand.

Linux is a good operating system, and does what you tell it.
Your cat is fuzzy, and rumbles when you pet it.

Linux is free!
Your Grandmother is, umm, free..

Linux has lots of useful tools.
Your Grandmother has lots of useless brick-a-brac.

Linux can run on various different hardware architectures.
Your Grandmother thinks a hardware architecture is a very strong building.

Linux is very stable.
Your Grandmother has put up with your Grandfather for longer than your parents have been alive. She is stable

Linux is flexible.
Your Grandmother is not.

There are many different flavors of Linux.
Your Grandmother can bake many flavors of cookies!

Linux can be user friendly.
Your Grandmother is just plain friendly.

Linux is free!
The Soviet Union is not free.

Linux was created in 1991.
The Soviet Union was dissolved in 1991.

Linux has a longer name that no one uses. (GNU/Linux)
The Soviet Union has a longer name that no one uses. (The Union of Soviet Socialist Republics)

You can use Linux.
In the Soviet Union, Linux uses YOU.

-Jeff