| OS | Man Page | Section | Hits |
|---|---|---|---|
| x11r4 | ditroff | 7 | 539 |
| posix | groff_out | 5 | 539 |
| opendarwin | ditroff | 7 | 539 |
| osf1 | groff | 1 | 538 |
| opendarwin | roff | 7 | 535 |
| freebsd | ditroff | 7 | 534 |
| posix | nroff | 1 | 531 |
| debian | troff | 1 | 521 |
| linux | roff | 7 | 518 |
| centos | groff_diff | 7 | 516 |
| xfree86 | mmroff | 1 | 514 |
| centos | troff | 1 | 514 |
| linux | ditroff | 7 | 513 |
| freebsd | groff_diff | 7 | 512 |
| v7 | roff | 1 | 511 |
| hpux | nroff | 1 | 511 |
| ultrix | ditroff | 7 | 509 |
| sunos | ditroff | 7 | 507 |
| opensolaris | deroff | 1 | 506 |
| xfree86 | groff_out | 5 | 506 |
| sunos | groff | 1 | 505 |
| x11r4 | mmroff | 1 | 504 |
| linux | groff_diff | 7 | 503 |
| osf1 | mmroff | 1 | 503 |
| osx | nroff | 1 | 502 |
| opensolaris | poweroff | 1m | 502 |
| suse | groff_out | 5 | 501 |
| debian | nroff | 1 | 501 |
| opensolaris | roffbib | 1 | 500 |
| hpux | groff | 1 | 500 |
| xfree86 | nroff | 1 | 498 |
| redhat | nroff | 1 | 497 |
| opendarwin | groff_font | 5 | 497 |
| php | nroff | 1 | 497 |
| ultrix | mmroff | 1 | 496 |
| sunos | poweroff | 1m | 495 |
| osx | groff | 1 | 494 |
| hpux | ditroff | 7 | 493 |
| linux | unroff | 1 | 493 |
| sunos | troff | 1 | 492 |
| opendarwin | nroff | 1 | 492 |
| sunos | deroff | 1 | 492 |
| suse | nroff | 1 | 492 |
| debian | groff_out | 5 | 491 |
| redhat | groff_font | 5 | 490 |
| debian | mmroff | 1 | 489 |
| centos | groff | 1 | 489 |
| redhat | poweroff | 8 | 488 |
| v7 | deroff | 1 | 487 |
| freebsd | groff_out | 5 | 487 |