| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | dup3 | 3 | 384 |
| linux | dup3 | 2 | 256 |
| posix | dup3 | 2 | 231 |
| suse | dup3 | 2 | 224 |
| hpux | dup3 | 2 | 213 |
| centos | dup3 | 2 | 207 |
| netbsd | dup3 | 2 | 205 |
| xfree86 | dup3 | 2 | 198 |
| plan9 | dup3 | 2 | 181 |
| mojave | dup3 | 2 | 178 |
| debian | dup3 | 2 | 176 |
| php | dup3 | 2 | 171 |
| minix | dup3 | 2 | 162 |
| x11r4 | dup3 | 2 | 158 |
| sunos | dup3 | 2 | 139 |
| opendarwin | dup3 | 2 | 125 |
| opensolaris | dup3 | 2 | 122 |
| osf1 | dup3 | 2 | 99 |