| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | free_rtn | 9s | 201 |
| linux | free_rtn | 9s | 186 |
| centos | free_rtn | 9s | 174 |
| xfree86 | free_rtn | 9s | 171 |
| posix | free_rtn | 9s | 158 |
| sunos | free_rtn | 9s | 150 |
| osx | free_rtn | 9s | 148 |
| opensolaris | free_rtn | 9s | 142 |
| php | free_rtn | 9s | 135 |
| hpux | free_rtn | 9s | 127 |
| mojave | free_rtn | 9s | 123 |
| debian | free_rtn | 9s | 113 |