| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | dupb | 9f | 583 |
| freebsd | dupb | 9f | 551 |
| hpux | dupb | 9f | 540 |
| debian | dupb | 9f | 530 |
| centos | dupb | 9f | 510 |
| redhat | dupb | 9f | 484 |
| posix | dupb | 9f | 476 |
| xfree86 | dupb | 9f | 466 |
| php | dupb | 9f | 465 |
| opensolaris | dupb | 9f | 465 |
| sunos | dupb | 9f | 463 |
| osx | dupb | 9f | 454 |
| suse | dupb | 9f | 437 |
| minix | dupb | 9f | 431 |
| osf1 | dupb | 9r | 252 |
| linux | ber_dupbv | 3 | 249 |
| mojave | ber_dupbv | 3 | 229 |
| suse | ber_dupbv | 3 | 223 |
| centos | ber_dupbv | 3 | 220 |
| debian | ber_dupbv | 3 | 199 |
| osx | ber_dupbv | 3 | 196 |
| netbsd | ber_dupbv | 3 | 191 |