| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | xl | 4 | 477 |
| debian | xl | 4 | 454 |
| netbsd | xl | 4 | 431 |
| minix | xl | 4 | 421 |
| linux | xl | 4 | 413 |
| plan9 | xl | 4 | 394 |
| centos | xl | 4 | 383 |
| osx | xl | 4 | 382 |
| php | xl | 4 | 368 |
| redhat | xl | 4 | 361 |
| opensolaris | xl | 4 | 356 |
| bsd | xl | 4 | 340 |
| hpux | xl | 4 | 339 |
| suse | xl | 4 | 322 |
| xfree86 | xl | 4 | 317 |
| v7 | xl | 4 | 307 |
| osf1 | xl | 4 | 303 |
| posix | xl | 4 | 295 |
| opendarwin | xl | 4 | 263 |