| OS | Man Page | Section | Hits |
|---|---|---|---|
| suse | y0 | 3 | 663 |
| linux | y0 | 3 | 650 |
| centos | y0 | 3 | 646 |
| v7 | y0 | 3 | 524 |
| plan9 | y0 | 3 | 516 |
| posix | y0 | 3p | 509 |
| php | y0 | 3 | 502 |
| xfree86 | y0 | 3 | 490 |
| debian | y0 | 3 | 472 |
| mojave | y0 | 3 | 469 |
| suse | y0 | 3p | 440 |
| redhat | y0 | 3 | 429 |
| centos | y0 | 3p | 429 |
| opendarwin | y0 | 3 | 420 |
| sunos | y0 | 3m | 416 |
| osx | y0 | 3 | 400 |
| opensolaris | y0 | 3m | 399 |
| hpux | y0 | 3m | 358 |
| netbsd | y0 | 3 | 278 |
| freebsd | y0 | 3 | 272 |
| osf1 | y0 | 3 | 270 |
| ultrix | y0 | 3m | 228 |