Is this kind of what you mean?
> [D:\]fmt --help
>
> GNU text utilities 1.19 - fmt
>
> Usage: fmt [-DIGITS] [OPTION]... [FILE]...
> Reformat each paragraph in the FILE(s), writing to standard output.
> If no FILE or if FILE is `-', read standard input.
>
> Mandatory arguments to long options are mandatory for short options too.
> -c, --crown-margin preserve indentation of first two lines
> -s, --split-only split long lines, but do not refill
> -t, --tagged-paragraph indentation of first line different from second
> -u, --uniform-spacing one space between words, two after sentences
> -w, --width=NUMBER maximum line width (default of 75 columns)
> -p, --prefix=STRING combine only lines having STRING as prefix
> --help display this help and exit
> --version output version information and exit
>
> In -wNUMBER, the letter `w' may be omitted.
For os2 this is can be found in gnututil.zip. I'm sure the GNU text
utilities are ported to dos also, but don't know where to find them.