Linux is considered more versatile than any other system because it can be used freely on almost all products and services you are developing. As long as the GNU GPL license under which it is available is respected, it can be used free of charge. It is community based and people are encouraged to give their inputs and improve it. This makes it versatile as people contribute their changes and inspire others to build on the changes. Many people use and contribute to the system and this is what makes it more versatile.
Comat is a leading name when it comes to pursuing the Linux courses. Here you will get the best direction, knowledge and experience on the current systems.