reset : does a virtual software reboot of the robot. Useful to erase a set of scripts and send a new version in the development stage.

stopall : stop all commands in every connections. A bit radical, but useful sometimes.

reboot : reboot the robot.

shutdown : stops the robot.

uservars : display a list of the user variables.

strict : start the strict variable definition control policy (see the URBI Language Specification).

unstrict : cancels the effect of strict.