Thanks for your help. Here you go:
Red Hat Linux release 7.3 (Valhalla)
[jtchan@host jtchan]$ cd /usr/local/bin
[jtchan@host bin]$ whereis aspell
aspell: /usr/lib/aspell /usr/local/bin/aspell /usr/local/lib/aspell
[jtchan@host bin]$ aspell --help
Aspell .33.7.1 alpha. Copyright 2000 by Kevin Atkinson.
Usage: aspell [options] <command>
<command> is one of:
-?|help display this help message
-c|check <file> to check a file
-a|pipe "ispell -a" compatibility mode
-l|list produce a list of misspelled words from standard input
[dump] config dumps the current configuration to stdout
soundslike returns the soundslike equivalent for each word entered
filter passes standard input through filters
-v|version prints a version line
dump|create|merge master|personal|repl [word list]
dumps, creates or merges a master, personal, or replacement word list.
[options] is any of the following:
--conf=<str> main configuration file
--conf-dir=<str> location of main configuration file
--data-dir=<str> location of language data files
--dict-dir=<str> location of the main word list
--add|rem-extra-dicts=<str> extra dictionaries to use
--add|rem-filter=<str> add or removes a filter
--home-dir=<str> location for personal files
-W,--ignore=<int> ignore words <= n chars
--[dont-]ignore-accents ignore accents when checking words
--[dont-]ignore-case ignore case when checking words
--[dont-]ignore-repl ignore commands to store replacement pairs
--keyboard=<str> keyboard definition to use for typo analysis
--lang=<str> default language to use when all else fails
--language-tag=<str> language code to use when selecting a dictionary
--local-data-dir=<str> location of local language data files
-d,--master=<str> base name of the main dictionary to use
--mode=<str> filter mode = none,url,email,sgml,tex
-e,--mode=email enter Email mode.
-H,--mode=sgml enter Html/Sgml mode.
-t,--mode=tex enter TeX mode.
--per-conf=<str> personal configuration file
-p,--personal=<str> personal word list file name
--prefix=<str> prefix directory
--[dont-]set-prefix set the prefix based on executable location
--repl=<str> replacements list file name
-C|-B,--[dont-]run-together consider run-together words legal
--run-together-limit=<int> maxium numbers that can be strung together
--run-together-min=<int> minimal length of interior words
--[dont-]save-repl save replacement pairs on save all
--[dont-]strip-accents strip accents from word lists
--sug-mode=<str> suggestion mode = ultra|fast|normal|bad-spellers
-b|-x,--[dont-]backup create a backup file by appending ".bak"
--[dont-]reverse reverse the order of the suggest list
--[dont-]time time load time and suggest time in pipe mode
--add|rem-email-quote=<str> email quote characters
--email-margin=<int> num chars that can appear before the quote char
--add|rem-sgml-check=<str> sgml tags to always check.
--add|rem-sgml-extension=<str> sgml file extensions
--add|rem-tex-command=<str> TeX commands
--[dont-]tex-check-comments check TeX comments
The following options will be ignored for compatabilty with ispell:
-m -n -P -S -w ARG -T ARG