| OS | Man Page | Section | Hits |
|---|---|---|---|
| netbsd | an | 4 | 639 |
| debian | an | 4 | 569 |
| osx | an | 4 | 551 |
| opendarwin | an | 4 | 550 |
| opensolaris | an | 4 | 542 |
| freebsd | an | 4 | 539 |
| redhat | an | 4 | 539 |
| minix | an | 4 | 531 |
| linux | an | 4 | 524 |
| suse | an | 4 | 518 |
| plan9 | an | 4 | 501 |
| xfree86 | an | 4 | 492 |
| centos | an | 4 | 461 |
| php | an | 4 | 456 |
| posix | an | 4 | 351 |
| debian | an | 6 | 345 |
| hpux | an | 4 | 334 |
| bsd | an | 4 | 315 |
| v7 | an | 4 | 286 |