| OS | Man Page | Section | Hits |
|---|---|---|---|
| osx | pdfroff | 1 | 533 |
| xfree86 | pdfroff | 1 | 366 |
| linux | pdfroff | 1 | 338 |
| centos | pdfroff | 1 | 333 |
| posix | pdfroff | 1 | 321 |
| minix | pdfroff | 1 | 290 |
| sunos | pdfroff | 1 | 283 |
| hpux | pdfroff | 1 | 277 |
| php | pdfroff | 1 | 269 |
| x11r4 | pdfroff | 1 | 269 |
| plan9 | pdfroff | 1 | 266 |
| ultrix | pdfroff | 1 | 265 |
| debian | pdfroff | 1 | 263 |
| v7 | pdfroff | 1 | 254 |
| osf1 | pdfroff | 1 | 241 |