The Tagged Image File Format, abbreviated as TIF or TIFF, is a popular format for storing business pictures and other images. The Windows Explorer shell usually opens TIF files in Windows Photo Viewer ...

TIFF Most graphics file formats were created with a particular use in mind, although most can be used for a wide variety of image types. Another common bit-mapped image type is Tagged Image File ...

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.