start_environment() {
        ## Prompt the user asking whether or not a graphical session should be started. If the user inputs either 'y',
        ## 'Y', 'yes', YES, or 'Yes', then run start(1) if it is installed. Otherwise, attempt to run MULTIPLEXOR if it is
        ## installed. If neither of the above is possible, then do nothing.
        start_gui=0
        set -- y Y yes YES Yes

        printf "Start graphical user interface? (y/n/N): "
        read -r user_answer

        for answer in "${@}"
        do
                if [ "${user_answer}" = "${answer}" ]; then
                        start_gui=1
                fi
        done

        if [ "${start_gui}" -eq 1 ]; then
                if command -v startx > /dev/null 2>&1; then
                        startx
                fi
        else
                if command -v "${MULTIPLEXOR}" > /dev/null 2>&1; then
                        "${MULTIPLEXOR}"
                fi
        fi
}