# cOok An Ook! compiler As a reminder, ook is just [Brainf\*\*\*](https://esolangs.org/wiki/Brainfuck), but with these rules: Ook Brainf\*\*\* Ook. Ook? > Ook? Ook. < Ook. Ook. + Ook! Ook! - Ook! Ook. . Ook. Ook! , Ook! Ook? [ Ook? Ook! ] *Make sure that there is exactly one space/newline between each ook, and that you add no extra code* # Windows The file extension of the file must be exactly 3 letters. A recommended file extension is *.ook. To compile ook, `cd` to the directory where cOok is installed, then run: ``` cd build/Windows cook ``` # GNU/Linux The file extension of the file must be exactly 3 letters. A recommended file extension is *.ook. To compile ook, `cd` to the directory where cOok is installed, then run: ``` cd build/GNULinux ./cook ``` If you want to compile the source, just run: ``` make ``` in the source directory.