Launch

launch word-or-list-to-run

Runs the input as an independent parallel process. If the process is launched from the Command Center, the cursor reappears immediately. Use cancel, the Cancel menu item, the Stop All menu item, or Ctrl+Break to stop the process. See also forever.

Example:

launch [glide 1000 1]

Type the next instructions while the turtle is gliding.

rt 90

lt 90