| OS | Man Page | Section | Hits |
|---|---|---|---|
| netbsd | zs | 4 | 525 |
| sunos | zs | 7d | 502 |
| opensolaris | zs | 7d | 475 |
| linux | zs | 7d | 472 |
| v7 | zs | 7d | 461 |
| plan9 | zs | 7d | 440 |
| bsd | zs | 7d | 439 |
| mojave | zs | 7d | 417 |
| osx | zs | 7d | 417 |
| freebsd | zs | 7d | 398 |
| xfree86 | zs | 7d | 391 |
| suse | zs | 7d | 384 |
| posix | zs | 7d | 361 |
| php | zs | 7d | 348 |
| minix | zs | 7d | 348 |
| opendarwin | zs | 7d | 347 |
| ultrix | zs | 7d | 330 |
| osf1 | zs | 7d | 318 |
| hpux | zs | 7d | 297 |
| centos | zs | 7d | 253 |