| OS | Man Page | Section | Hits |
|---|---|---|---|
| netbsd | an | 4 | 363 |
| linux | an | 4 | 308 |
| freebsd | an | 4 | 306 |
| osx | an | 4 | 305 |
| redhat | an | 4 | 304 |
| minix | an | 4 | 298 |
| debian | an | 4 | 294 |
| opensolaris | an | 4 | 294 |
| plan9 | an | 4 | 289 |
| opendarwin | an | 4 | 284 |
| suse | an | 4 | 277 |
| php | an | 4 | 271 |
| xfree86 | an | 4 | 268 |
| centos | an | 4 | 260 |
| posix | an | 4 | 215 |
| debian | an | 6 | 188 |
| bsd | an | 4 | 178 |
| hpux | an | 4 | 172 |
| v7 | an | 4 | 154 |