Facts. A tortuous colon isn't called that due to the pain it inflicts. In this instance, tortuous simply means having bends and twists.. While that's an apt description for all intestines, a tortuous colon, sometimes known as a redundant colon, simply means the colon is longer than usual.
Computer program, detailed plan or procedure for solving a problem with a computer; more specifically, an unambiguous, ordered sequence of computational instructions necessary to achieve such a solution.
A program is free software if the program's users have the four essential freedoms: 1  The freedom to run the program as you wish, for any purpose (freedom 0). 2  The freedom to study how the program works, and change it so it does your computing as you wish (freedom 1). Access to the source code is a precondition for this.