| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pfbtops | 1 | 370 |
| ultrix | pfbtops | 1 | 344 |
| freebsd | pfbtops | 1 | 331 |
| osx | pfbtops | 1 | 312 |
| netbsd | pfbtops | 1 | 307 |
| posix | pfbtops | 1 | 304 |
| opendarwin | pfbtops | 1 | 304 |
| suse | pfbtops | 1 | 300 |
| x11r4 | pfbtops | 1 | 298 |
| mojave | pfbtops | 1 | 296 |
| v7 | pfbtops | 1 | 293 |
| minix | pfbtops | 1 | 292 |
| xfree86 | pfbtops | 1 | 292 |
| redhat | pfbtops | 1 | 292 |
| osf1 | pfbtops | 1 | 292 |
| centos | pfbtops | 1 | 291 |
| debian | pfbtops | 1 | 286 |
| sunos | pfbtops | 1 | 267 |
| plan9 | pfbtops | 1 | 251 |
| php | pfbtops | 1 | 244 |
| hpux | pfbtops | 1 | 230 |