"Linux is more than a hip buzzword in computing. It is more than the latest fad. It was modeled on the Unix operating system first developed by Dennis Ritchie and Ken Thompson at AT&T. Unix was developed to run the largest network in world, the AT&T telephone system, and it did. The Unix operating system was designed to be scalable, reliable, modular, secure and portable with network extensibility.
...
The kernel is at the heart of the Linux/Unix operating system. It is responsible for enabling multi-tasking, multi-user, multi-threading, multi-processing, security, interfacing with hardware and the network. ...
...
Hardware vendors such as IBM, Hewlett Packard and SGI have bet their future on Linux. Oracle has made it their development platform and thus the platform of first release. ...
...
Future and advanced development is ensured as the source code is available to all. It is studied in universities and institutions worldwide. PhD candidates and corporate researchers use Linux to try advanced computing concepts. ..."
Editorial - #Linux, a #competitiveadvantage
http://www.yolinux.com/TUTORIALS/LinuxEditorial-Advantage.html