spell --version (return code: 0)
spell: version 1.0
spell --help (return code: 0)
This is GNU Spell, a Unix spell emulator.
-I, --ispell-version Print Ispell's version.
-V, --version Print the version number.
-b, --british Use the British dictionary.
-d, --dictionary=FILE Use FILE to look up words.
-h, --help Print a summary of the options.
-i, --ispell=PROGRAM Calls PROGRAM as Ispell.
-l, --all-chains Ignored; for compatibility.
-n, --number Print line numbers before lines.
-o, --print-file-name Print file names before lines.
-D, --ispell-dictionary=DICTIONARY Use DICTIONARY to look up words.
-s, --stop-list=FILE Ignored; for compatibility.
-v, --verbose Print words not literally found.
-x, --print-stems Ignored; for compatibility.
Please use Info to read more (type `info spell').
Usage: spell [OPTION]... [FILE]...