| OS | Man Page | Section | Hits |
|---|---|---|---|
| redhat | hpftodit | 1 | 501 |
| osx | hpftodit | 1 | 458 |
| ultrix | hpftodit | 1 | 452 |
| mojave | hpftodit | 1 | 451 |
| linux | hpftodit | 1 | 431 |
| xfree86 | hpftodit | 1 | 412 |
| debian | hpftodit | 1 | 405 |
| minix | hpftodit | 1 | 400 |
| freebsd | hpftodit | 1 | 399 |
| centos | hpftodit | 1 | 396 |
| opendarwin | hpftodit | 1 | 395 |
| suse | hpftodit | 1 | 392 |
| php | hpftodit | 1 | 377 |
| posix | hpftodit | 1 | 355 |
| netbsd | hpftodit | 1 | 349 |
| x11r4 | hpftodit | 1 | 347 |
| plan9 | hpftodit | 1 | 318 |
| v7 | hpftodit | 1 | 317 |
| hpux | hpftodit | 1 | 313 |
| osf1 | hpftodit | 1 | 312 |
| sunos | hpftodit | 1 | 271 |