Around this time 30 years ago, two separate working groups were putting the finishing touches on technical standards that would come to reshape the way people observed the world. One technical ...

Definition: Graphic images are stored digitally using a small number of standardized graphic file formats, including bit map, TIFF, JPEG, GIF, PNG; they can also be stored as raw, unprocessed data.

There's a lot to learn about image files on the command line, from verifying file format to finding out where and when photos were taken and maybe even getting an unusual view of what they look like.