sub DisplayUsage {
    print <<"    USAGE";
    Usage: genpass [-OPTIONS] LENGTH
    Generate secure passwords LENGTH characters long.
    
        -s, --symbols\t\tExclude symbol characters.
        -n, --numbers\t\tExclude number characters.
        -u, --uppercase\t\tExclude uppercase characters.
        -l, --lowercase\t\tExclude lowercase characters.
        
        -q(X)\t\t\tCreate X number of passwords.
        
        --help\t\t\tDisplay this usage screen.
        
    Report bugs, comments, and questions to jbrown_home\@yahoo.ca
    
    USAGE
}