| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | free_rtn | 9s | 428 |
| freebsd | free_rtn | 9s | 405 |
| centos | free_rtn | 9s | 381 |
| posix | free_rtn | 9s | 353 |
| sunos | free_rtn | 9s | 347 |
| xfree86 | free_rtn | 9s | 347 |
| opensolaris | free_rtn | 9s | 344 |
| osx | free_rtn | 9s | 320 |
| hpux | free_rtn | 9s | 319 |
| php | free_rtn | 9s | 307 |
| debian | free_rtn | 9s | 295 |
| mojave | free_rtn | 9s | 286 |