Since the current Examshell is notoriously minimal, text-based, and stressful, the best feature would be one that aids the learning process without breaking the strict "no help" rules of the exam.
The Moulinette is unforgiving.
ft_strlen, ft_putstr, ft_strcmp, first_word.-Wall -Wextra -Werror). A single warning fails the compilation, and failed compilation means zero points.: Once you log out of the examshell or leave the room, your exam is finished. 42 Examshell