| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | preadv | 2 | 407 |
| debian | preadv | 2 | 403 |
| netbsd | preadv | 2 | 367 |
| linux | preadv | 2 | 366 |
| linux | preadv2 | 2 | 295 |
| suse | preadv | 2 | 285 |
| centos | preadv | 2 | 275 |
| mojave | preadv | 2 | 251 |
| posix | preadv | 2 | 230 |
| posix | preadv2 | 2 | 224 |
| plan9 | preadv | 2 | 211 |
| freebsd | preadv2 | 2 | 202 |
| minix | preadv2 | 2 | 200 |
| osf1 | preadv2 | 2 | 195 |
| opensolaris | preadv | 2 | 194 |
| opensolaris | preadv2 | 2 | 192 |
| plan9 | preadv2 | 2 | 189 |
| minix | preadv | 2 | 186 |
| php | preadv2 | 2 | 181 |
| opendarwin | preadv2 | 2 | 181 |
| x11r4 | preadv | 2 | 179 |
| xfree86 | preadv | 2 | 177 |
| mojave | preadv2 | 2 | 176 |
| hpux | preadv | 2 | 175 |
| xfree86 | preadv2 | 2 | 175 |
| x11r4 | preadv2 | 2 | 173 |
| opendarwin | preadv | 2 | 173 |
| osf1 | preadv | 2 | 172 |
| sunos | preadv2 | 2 | 171 |
| hpux | preadv2 | 2 | 167 |
| sunos | preadv | 2 | 166 |
| php | preadv | 2 | 159 |