| OS | Man Page | Section | Hits |
|---|---|---|---|
| suse | y0 | 3 | 601 |
| linux | y0 | 3 | 590 |
| centos | y0 | 3 | 584 |
| v7 | y0 | 3 | 478 |
| plan9 | y0 | 3 | 475 |
| php | y0 | 3 | 466 |
| posix | y0 | 3p | 463 |
| xfree86 | y0 | 3 | 449 |
| debian | y0 | 3 | 429 |
| mojave | y0 | 3 | 425 |
| redhat | y0 | 3 | 397 |
| suse | y0 | 3p | 385 |
| sunos | y0 | 3m | 382 |
| opendarwin | y0 | 3 | 382 |
| centos | y0 | 3p | 375 |
| opensolaris | y0 | 3m | 369 |
| osx | y0 | 3 | 356 |
| hpux | y0 | 3m | 333 |
| osf1 | y0 | 3 | 248 |
| freebsd | y0 | 3 | 248 |
| netbsd | y0 | 3 | 246 |
| ultrix | y0 | 3m | 215 |