| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | xl | 4 | 523 |
| debian | xl | 4 | 507 |
| netbsd | xl | 4 | 474 |
| minix | xl | 4 | 462 |
| linux | xl | 4 | 450 |
| plan9 | xl | 4 | 425 |
| osx | xl | 4 | 423 |
| centos | xl | 4 | 422 |
| php | xl | 4 | 404 |
| redhat | xl | 4 | 403 |
| opensolaris | xl | 4 | 388 |
| bsd | xl | 4 | 377 |
| hpux | xl | 4 | 372 |
| suse | xl | 4 | 362 |
| v7 | xl | 4 | 354 |
| xfree86 | xl | 4 | 345 |
| osf1 | xl | 4 | 332 |
| posix | xl | 4 | 320 |
| opendarwin | xl | 4 | 298 |