| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | free_rtn | 9s | 295 |
| freebsd | free_rtn | 9s | 283 |
| centos | free_rtn | 9s | 276 |
| opensolaris | free_rtn | 9s | 252 |
| xfree86 | free_rtn | 9s | 242 |
| posix | free_rtn | 9s | 241 |
| sunos | free_rtn | 9s | 232 |
| osx | free_rtn | 9s | 230 |
| debian | free_rtn | 9s | 204 |
| hpux | free_rtn | 9s | 204 |
| php | free_rtn | 9s | 200 |
| mojave | free_rtn | 9s | 200 |