| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | free_rtn | 9s | 350 |
| freebsd | free_rtn | 9s | 343 |
| centos | free_rtn | 9s | 312 |
| posix | free_rtn | 9s | 288 |
| xfree86 | free_rtn | 9s | 287 |
| sunos | free_rtn | 9s | 280 |
| opensolaris | free_rtn | 9s | 278 |
| osx | free_rtn | 9s | 255 |
| hpux | free_rtn | 9s | 251 |
| debian | free_rtn | 9s | 231 |
| php | free_rtn | 9s | 228 |
| mojave | free_rtn | 9s | 224 |