| OS | Man Page | Section | Hits |
|---|---|---|---|
| osx | pdfroff | 1 | 623 |
| xfree86 | pdfroff | 1 | 445 |
| linux | pdfroff | 1 | 428 |
| centos | pdfroff | 1 | 409 |
| posix | pdfroff | 1 | 381 |
| minix | pdfroff | 1 | 351 |
| php | pdfroff | 1 | 341 |
| sunos | pdfroff | 1 | 341 |
| plan9 | pdfroff | 1 | 337 |
| hpux | pdfroff | 1 | 337 |
| ultrix | pdfroff | 1 | 332 |
| x11r4 | pdfroff | 1 | 331 |
| v7 | pdfroff | 1 | 323 |
| debian | pdfroff | 1 | 315 |
| osf1 | pdfroff | 1 | 305 |