bad command name dude (line 1 column 1)

Hello,
I'm using RB2011UiAS-RM with 6.36 system version and downloaded the dude from http://www.mikrotik.com/download. and this is the location in the download page This Dude server in tile and 6.36 (Current).
Now after drag the package of The dude and rebooted three times using the system reboot option and one reboot using the electricity cable unplug. and open the terminal and type dude, I read bad command name dude (line 1 column 1) come up, and the dude word when I type it come in red color not like system in green color.

So I see that after checking packages:
/system package print
Flags: X - disabled

NAME VERSION SCHEDULED

0 routeros-mipsbe 6.36
1 system 6.36
2 X ipv6 6.36
3 wireless-cm2 6.36
4 hotspot 6.36
5 dhcp 6.36
6 mpls 6.36
7 routing 6.36
8 ppp 6.36
9 security 6.36
10 advanced-tools 6.36

Please help to use The dude.

Dude is not compatible with mipsbe. Read the manual first.

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