| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | preadv | 2 | 545 |
| debian | preadv | 2 | 477 |
| netbsd | preadv | 2 | 458 |
| linux | preadv | 2 | 437 |
| centos | preadv | 2 | 357 |
| linux | preadv2 | 2 | 348 |
| suse | preadv | 2 | 347 |
| mojave | preadv | 2 | 296 |
| posix | preadv | 2 | 273 |
| posix | preadv2 | 2 | 268 |
| plan9 | preadv | 2 | 240 |
| osf1 | preadv2 | 2 | 231 |
| opensolaris | preadv | 2 | 231 |
| freebsd | preadv2 | 2 | 227 |
| minix | preadv2 | 2 | 227 |
| opensolaris | preadv2 | 2 | 225 |
| opendarwin | preadv2 | 2 | 224 |
| plan9 | preadv2 | 2 | 224 |
| php | preadv2 | 2 | 216 |
| minix | preadv | 2 | 216 |
| xfree86 | preadv | 2 | 211 |
| mojave | preadv2 | 2 | 209 |
| opendarwin | preadv | 2 | 208 |
| x11r4 | preadv | 2 | 208 |
| xfree86 | preadv2 | 2 | 206 |
| sunos | preadv2 | 2 | 203 |
| osf1 | preadv | 2 | 202 |
| sunos | preadv | 2 | 201 |
| hpux | preadv | 2 | 198 |
| x11r4 | preadv2 | 2 | 197 |
| hpux | preadv2 | 2 | 188 |
| php | preadv | 2 | 185 |