https://www.sentex.ca/~mwandel/jhead/ Exif Jpeg header manipulation tool Exif Jpeg header manipulation tool Version 3.04 Updated Nov 22 2019 Usage documentation Things jhead can extract from an Exif jpeg file Time and date picture was taken Camera make and model Integral low-res Exif thumbnail Shutter speed Camera F-stop num www.sentex.ca 다운로드 wget https://www.sentex.ca/~mwandel/jhead/jhead-3.04..