[M]

1. MAJOR
2. MAJOR_NR
3. MAP_NR
4. MARK_ERR
5. MAX
6. MAX_ARG_PAGES
7. MAX_ERRORS
8. MAX_HD
9. MAX_REPLIES
10. MAY_EXEC
11. MAY_READ
12. MAY_WRITE
13. MIN
14. MINIX_HEADER
15. MINOR
16. MINUTE