| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | ditroff | 7 | 637 |
| debian | troff | 1 | 636 |
| posix | groff_out | 5 | 636 |
| mojave | troff | 1 | 635 |
| osx | pdfroff | 1 | 635 |
| centos | troff | 1 | 634 |
| osf1 | groff | 1 | 631 |
| opensolaris | deroff | 1 | 630 |
| v7 | roff | 1 | 625 |
| freebsd | roff | 7 | 625 |
| posix | nroff | 1 | 624 |
| osx | nroff | 1 | 624 |
| sunos | troff | 1 | 620 |
| sunos | groff | 1 | 620 |
| linux | unroff | 1 | 619 |
| hpux | nroff | 1 | 618 |
| redhat | poweroff | 8 | 618 |
| linux | ditroff | 7 | 617 |
| x11r4 | mmroff | 1 | 616 |
| ultrix | ditroff | 7 | 615 |
| xfree86 | mmroff | 1 | 612 |
| ultrix | mmroff | 1 | 612 |
| opensolaris | poweroff | 1m | 609 |
| osf1 | mmroff | 1 | 606 |
| opensolaris | roffbib | 1 | 603 |
| debian | nroff | 1 | 603 |
| centos | groff_diff | 7 | 602 |
| linux | troff2rtf | 1 | 601 |
| debian | unroff | 1 | 600 |
| hpux | ditroff | 7 | 599 |
| plan9 | deroff | 1 | 598 |
| linux | roff | 7 | 598 |
| sunos | deroff | 1 | 597 |
| netbsd | deroff | 1 | 597 |
| opendarwin | roff | 7 | 596 |
| suse | groff_out | 5 | 595 |
| opendarwin | nroff | 1 | 594 |
| sunos | ditroff | 7 | 594 |
| osx | groff | 1 | 594 |
| php | nroff | 1 | 593 |
| freebsd | groff_diff | 7 | 591 |
| sunos | poweroff | 1m | 591 |
| xfree86 | nroff | 1 | 590 |
| php | groff_mom | 7 | 588 |
| v7 | mmroff | 1 | 588 |
| hpux | groff | 1 | 587 |
| linux | mmroff | 1 | 584 |
| suse | nroff | 1 | 583 |
| debian | mmroff | 1 | 583 |
| minix | ditroff | 7 | 582 |