| OS | Man Page | Section | Hits |
|---|---|---|---|
| debian | wb | 4 | 702 |
| php | wb | 4 | 629 |
| linux | wb | 4 | 620 |
| freebsd | wb | 4 | 606 |
| netbsd | wb | 4 | 588 |
| plan9 | wb | 4 | 544 |
| osf1 | wb | 4 | 537 |
| opendarwin | wb | 4 | 528 |
| minix | wb | 4 | 520 |
| opensolaris | wb | 4 | 518 |
| centos | wb | 4 | 517 |
| xfree86 | wb | 4 | 506 |
| redhat | wb | 4 | 504 |
| osx | wb | 4 | 485 |
| suse | wb | 4 | 481 |
| bsd | wb | 4 | 408 |
| hpux | wb | 4 | 408 |