root@kali:~# gtkhash -h Usage: gtkhash [OPTION…] [FILE|URI...] Help Options: -h, --help Show help options --help-all Show all help options --help-gtk Show GTK+ Options Application Options: -c, --check=DIGEST Check against the specified digest or checksum -C, --check-file=FILE|URI Check digests or checksums from the specified file -f, --function=FUNCTION Enable the specified Hash Function (e.g. MD5) -t, --text=TEXT Hash the specified text -v, --version Show version information --display=DISPLAY X display to use