This is GSL, the GNU Scientific Library, a collection of numerical routines for scientific computing. GSL is free software, you can redistribute it and/or modify it under the terms of the GNU General ...
Due to its complex syntaxes and symbols, and Unix commands different options and behaviors in same name (such like GNU sed and BSD sed are different), Bash script development is complex and fallible.
Electronics biz Vizio may be required by a California court to provide source code for its SmartCast TV software, which is allegedly based on open source code licensed under the GPLv2 and LGPLv2.1.