GIMP User Manual
GIMP comes with a built-in help system. Once you have started the program, press F1 for context-sensitive help. You may have to install the help pages from a separate package (gimp-help), depending on how your version of GIMP was packaged.
The user manual for the GIMP 2.8 release is available in several languages:
GIMP User FAQ
- How to set the tile
The tile cache tells GIMP how much memory it can use before swapping some image data to disk. Setting the size of the tile cache can be critical for the performance of your system.
- How to install fonts for use with GIMP
- How to use MIDI devices with GIMP