| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | nulldev | 9f | 493 |
| opensolaris | nulldev | 9f | 492 |
| bsd | nulldev | 9f | 462 |
| xfree86 | nulldev | 9f | 433 |
| sunos | nulldev | 9f | 428 |
| suse | nulldev | 9f | 419 |
| centos | nulldev | 9f | 416 |
| posix | nulldev | 9f | 413 |
| mojave | nulldev | 9f | 402 |
| osx | nulldev | 9f | 400 |
| minix | nulldev | 9f | 400 |
| hpux | nulldev | 9f | 398 |
| plan9 | nulldev | 9f | 376 |
| osf1 | nulldev | 9f | 374 |
| php | nulldev | 9f | 370 |
| x11r4 | nulldev | 9f | 367 |
| v7 | nulldev | 9f | 365 |
| debian | nulldev | 9f | 360 |
| redhat | nulldev | 9f | 349 |
| ultrix | nulldev | 9f | 349 |