QBasic, 29 bytes
FOR i=0TO65535:POKE i,0:NEXT
Overwrites current segment (containing code and important data structures of the interpreter) with zeros.
Similar code may have similar effects on most interpreted BASIC implementations running on bare metal.
Piet, using npiet interpreter
cannot read from `Error.txt'; reason: unknown PPM format
Save as 'Error.txt' and put it in the same folder as the npiet executable. If you want to golf, you can of course choose a shorter filename and adjust the code to match.
Rainbow (Note: Interpreter coming soon)
I know this challenge expired.
Rainbow is a mix of... a lot of things.
Rainbow is a 2D stack-based language with two stack (Like Brain-Flak) and 8 directions (N NE E SE S SW W NW). There are 8 commands:
1, +, *, " do exactly what they do in 1+.
! toggles the active stack.
> rotate the IP clockwise.
, input a ...