Referring to the new changes in the manpage.

[xmenu] / xmenu.sh

#!/bin/sh

cat <<EOF | xmenu | xargs sh -c &
Applications
       Web Browser     firefox
       Image editor    gimp
Terminal (xterm)        xterm
Terminal (urxvt)        urxvt
Terminal (st)           st

Shutdown                poweroff
Reboot                  reboot
EOF