From the GIMP User Manual: The GIMP is a multiplatform photo manipulation tool. GIMP is an acronym for GNU Image Manipulation Program. The GIMP is suitable for a variety of image manipulation tasks, including photo retouching, image composition, and image construction.
It has many capabilities. It can be used as a simple paint program, an expert quality photo retouching program, an online batch processing system, a mass production image renderer, an image format converter, etc.
GIMP is expandable and extensible. It is designed to be augmented with plug-ins and extensions to do just about anything. The advanced scripting interface allows everything from the simplest task to the most complex image manipulation procedures to be easily scripted.
Highlights: Free, available on Linux, similar functionality to Adobe Photoshop. Also, easily expandable with plug-ins.
Availability and Setup
The GIMP is available on the Shared Computing Cluster (SCC).
To run the GIMP, simply type
If a window does not come up for The Gimp, it is likely because you do not have X Forwarding enabled, allowing you to display graphics on your local machine from the SCC.
Using the GIMP
The GIMP is an X-Windows application with a GUI similar to that of Adobe Photoshop. It has support for reading and writing images in a large variety of formats.
The GIMP User Manual is available online.