- cat < Makefile | rev | cat -e | rev | cat probably repaired: - cat Makefile | commandnotfound | cat - .. # (pas de command not found) - echo -nnn -n -nnnnnn aaa -nn # (invalid write/read) - echo -nnn -n -a -nnnnnn aaa -nn # (pas de print de flag apres le -a) (mais ca marche sur echo -nnn -n -nigga -nnnnnn aaa -nn ????????????????) - cat filenotfound -> exit # (exit avec le status 0 et pas 1) - < filenotfound # (status code pas a 1) - export aaa -> env # (variable aaa qui s'affiche)