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Collection:Introduction to the Command Line

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The software used in Introduction to the Command Line (ICL), published by the GNU Press, an imprint of the Free Software Foundation.


ImageMagick
In the intro to ICL, they show how to quickly resize an image from the command line with the following example:
 convert -resize 300 profile.jpg profile_small.jpg

This program convert is one of several utilities that are part of the ImageMagick package. The others are:

Convert 
Convert images between image formats
Mogrify 
In-place batch processing
Composite 
Overlay two images in special ways
Montage 
Generate arrays of thumbnails
Identify 
Output information an image
Compare 
Look for differences between images
Display 
Display images and slideshows
Conjure 
ImageMagick's experimental scripting Language



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