Using ImageMagick to edit image at command line

ImageMagick is one of the oldest but still widely used graphics editing software. One of the strength of ImageMagick is the ability to do batch processing like shrinking the size of the images etc.

There are very good examples on the ImageMagick tutorial itself.

1. Example (http://www.imagemagick.org/​Usage/)
2. Stream (http://www.imagemagick.org/script/​stream.​php)
3. Animate (Animate: http://www.imagemagick.org/script/animate.​php)
4. Command-line-Options (http://www.imagemagick.org/script/command-line-options.php ) 
5. Image Format (http://www.imagemagick.org/script/formats.php ) 
6. API (http://www.imagemagick.org/script/api.php)
7. ImageMagick Studio (http://www.imagemagick.org/MagickStudio/scripts/MagickStudio.cgi)

To install ImageMagick, just type

# yum install ImageMagick

To view the image, just type

$ display

Click Top left-hand corner to launch the ImageMagick