| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | nulldev | 9f | 76 |
| bsd | nulldev | 9f | 59 |
| opensolaris | nulldev | 9f | 47 |
| sunos | nulldev | 9f | 43 |
| osx | nulldev | 9f | 42 |
| redhat | nulldev | 9f | 41 |
| mojave | nulldev | 9f | 39 |
| minix | nulldev | 9f | 34 |
| ultrix | nulldev | 9f | 34 |
| posix | nulldev | 9f | 34 |
| centos | nulldev | 9f | 33 |
| x11r4 | nulldev | 9f | 31 |
| php | nulldev | 9f | 30 |
| v7 | nulldev | 9f | 27 |
| xfree86 | nulldev | 9f | 25 |
| plan9 | nulldev | 9f | 25 |
| suse | nulldev | 9f | 24 |
| debian | nulldev | 9f | 23 |
| osf1 | nulldev | 9f | 21 |
| hpux | nulldev | 9f | 20 |