| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | zyd | 4 | 523 |
| opensolaris | zyd | 7d | 494 |
| bsd | zyd | 4 | 493 |
| linux | zyd | 4 | 484 |
| redhat | zyd | 4 | 441 |
| php | zyd | 4 | 417 |
| xfree86 | zyd | 4 | 416 |
| posix | zyd | 4 | 403 |
| plan9 | zyd | 4 | 379 |
| hpux | zyd | 4 | 373 |
| debian | zyd | 4 | 363 |
| osf1 | zyd | 4 | 363 |
| centos | zyd | 4 | 353 |
| opendarwin | zyd | 4 | 344 |
| v7 | zyd | 4 | 341 |
| suse | zyd | 4 | 339 |
| netbsd | zyd | 4 | 320 |
| freebsd | if_zyd | 4 | 248 |
| debian | if_zyd | 4 | 224 |