Linux is not fractured!
No, Gisabun! You are wrong: Linux is not fractured.
You can use only one Linux distro at time.
You do not use 200 different Linux distribution nor anyone can do that unless being pure masochist .
You stick with one , eventually two favorite distribution and that's it.
I'd rather say WIndows is fractured, since I have to deal with Windows 2000, Windows XP, Windows Vista, Windows 7, Windows 2003 and Windows 2008 systems every day and seven different MS Office versions that simply don't want to die. Microsoft has fractured ( and captured) more cyber space than any software maker(s).
Linux as a platform is more homogenous than you may think!
Different Linux distributions are just one more proof how vital open source movement is.