| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | xl | 4 | 414 |
| debian | xl | 4 | 391 |
| netbsd | xl | 4 | 357 |
| minix | xl | 4 | 353 |
| linux | xl | 4 | 352 |
| php | xl | 4 | 333 |
| osx | xl | 4 | 332 |
| plan9 | xl | 4 | 329 |
| redhat | xl | 4 | 318 |
| opensolaris | xl | 4 | 317 |
| centos | xl | 4 | 311 |
| hpux | xl | 4 | 294 |
| bsd | xl | 4 | 280 |
| suse | xl | 4 | 278 |
| xfree86 | xl | 4 | 265 |
| osf1 | xl | 4 | 254 |
| v7 | xl | 4 | 249 |
| posix | xl | 4 | 242 |
| opendarwin | xl | 4 | 220 |