| OS | Man Page | Section | Hits |
|---|---|---|---|
| v7 | y1 | 3 | 431 |
| centos | y1 | 3 | 398 |
| redhat | y1 | 3 | 367 |
| opendarwin | y1 | 3 | 356 |
| mojave | y1 | 3 | 355 |
| osx | y1 | 3 | 350 |
| xfree86 | y1 | 3 | 349 |
| plan9 | y1 | 3 | 330 |
| linux | y1 | 3 | 328 |
| centos | y1 | 3p | 326 |
| suse | y1 | 3 | 315 |
| suse | y1 | 3p | 314 |
| posix | y1 | 3 | 314 |
| php | y1 | 3 | 301 |
| debian | y1 | 3 | 281 |
| sunos | y1 | 3m | 249 |
| freebsd | y1 | 3 | 236 |
| netbsd | y1 | 3 | 233 |
| osf1 | y1 | 3 | 233 |
| opensolaris | y1 | 3m | 229 |
| hpux | y1 | 3m | 219 |
| ultrix | y1 | 3m | 174 |