| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | witness | 4 | 650 |
| debian | witness | 4 | 547 |
| opensolaris | witness | 4 | 512 |
| minix | witness | 4 | 508 |
| redhat | witness | 4 | 490 |
| php | witness | 4 | 480 |
| osx | witness | 4 | 467 |
| linux | witness | 4 | 459 |
| centos | witness | 4 | 452 |
| posix | witness | 4 | 449 |
| bsd | witness | 4 | 448 |
| xfree86 | witness | 4 | 448 |
| mojave | witness | 4 | 447 |
| suse | witness | 4 | 443 |
| v7 | witness | 4 | 420 |
| ultrix | witness | 4 | 399 |
| plan9 | witness | 4 | 323 |