What is really funny for your post regarding fragmentation of linux platforms is that almost sure you never used or tried a linux distribution .The so called fragmentation does not exist or exist in some minds .All ~ 200 distros use the same GNU toolkit and in almost 90% of their aspects are identical.You will find that first time when you will study a program source code a tar.gz.In about 10 years of day by day use of linux i never founded a single aplication what does not work in any distro .