Open License Computer Books

"Grokking the GIMP" is for the serious user of the GNU Image Manipulation Program, a premiere digital image editing and painting program. It covers the GIMP in depth, and complex tasks are intuitively presented and explained using an interactive approach. In addition to emphasizing the theory and core concepts of image manipulation, "Grokking the GIMP" beautifully illustrates the practical aspects of working with digital images.

Complete guide to Vim editor, a clone of the standard Unix editor, Vi. Begins with basic editing, with explanations to text file writing and other tasks. Next, a useful subset of all possible Vim commands are discussed, followed by deeper level discussion. Shows how to do numerous commands, from using the Vim search features to writing macros and abbreviations.