jhead: jhead (manipulate the non-image part of Exif compliant JPEG files)
jhead:
jhead: jhead is a command line driven utility for extracting digital camera
jhead: settings from the Exif format files used by many digital cameras.
jhead: It handles the various confusing ways these can be expressed, &
jhead: displays them as F-stop, shutter speed, etc. It is also able to
jhead: reduce the size of digital camera JPEGs without loss of information,
jhead: by deleting integral thumbnails that digital cameras put into the
jhead: Exif header.
jhead:
jhead: