On a typical Linux/UNIX system, a number of common commands are both built-in in Bash and also exist as independent executables with the same name. Examples of this include echo (built-in) and ...

The following excerpt is from chapter 3, User-Level Memory Management, of Arnold Robbins’ book Linux Programming by Example: The Fundamentals, Prentice Hall PTR; (April 12, 2004), used with ...

If you are doing X11, for example, you can go low-level or pick any of a number of high-level libraries. The tutorial assumes you understand C and basic Linux programming. It has two sections, really.

Bash is excellent for simple scripts and system tasks, Python offers extensive libraries and high-level capabilities, and Perl provides unmatched text-processing power. Depending on the task at hand ...