| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | free_rtn | 9s | 392 |
| freebsd | free_rtn | 9s | 373 |
| centos | free_rtn | 9s | 336 |
| posix | free_rtn | 9s | 322 |
| xfree86 | free_rtn | 9s | 316 |
| sunos | free_rtn | 9s | 314 |
| opensolaris | free_rtn | 9s | 312 |
| hpux | free_rtn | 9s | 284 |
| osx | free_rtn | 9s | 279 |
| debian | free_rtn | 9s | 264 |
| php | free_rtn | 9s | 258 |
| mojave | free_rtn | 9s | 252 |