| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | fdio | 7i | 411 |
| sunos | fdio | 7i | 359 |
| opensolaris | fdio | 7i | 353 |
| freebsd | fdio | 7i | 319 |
| posix | fdio | 7i | 318 |
| minix | fdio | 7i | 309 |
| opendarwin | fdio | 7i | 296 |
| xfree86 | fdio | 7i | 282 |
| php | fdio | 7i | 276 |
| v7 | fdio | 7i | 276 |
| bsd | fdio | 7i | 274 |
| hpux | fdio | 7i | 271 |
| osx | fdio | 7i | 269 |
| x11r4 | fdio | 7i | 268 |
| redhat | fdio | 7i | 265 |
| centos | fdio | 7i | 254 |
| mojave | fdio | 7i | 242 |
| suse | fdio | 7i | 236 |
| plan9 | fdio | 7i | 236 |
| debian | fdio | 7i | 223 |