| OS | Man Page | Section | Hits |
|---|---|---|---|
| v7 | y1 | 3 | 478 |
| centos | y1 | 3 | 432 |
| redhat | y1 | 3 | 406 |
| osx | y1 | 3 | 400 |
| mojave | y1 | 3 | 395 |
| opendarwin | y1 | 3 | 394 |
| centos | y1 | 3p | 384 |
| xfree86 | y1 | 3 | 377 |
| linux | y1 | 3 | 370 |
| plan9 | y1 | 3 | 368 |
| posix | y1 | 3 | 353 |
| suse | y1 | 3 | 348 |
| suse | y1 | 3p | 348 |
| php | y1 | 3 | 339 |
| debian | y1 | 3 | 304 |
| sunos | y1 | 3m | 274 |
| freebsd | y1 | 3 | 274 |
| netbsd | y1 | 3 | 266 |
| osf1 | y1 | 3 | 257 |
| opensolaris | y1 | 3m | 251 |
| hpux | y1 | 3m | 239 |
| ultrix | y1 | 3m | 191 |