| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | witness | 4 | 542 |
| debian | witness | 4 | 430 |
| redhat | witness | 4 | 407 |
| opensolaris | witness | 4 | 407 |
| minix | witness | 4 | 401 |
| linux | witness | 4 | 381 |
| php | witness | 4 | 379 |
| xfree86 | witness | 4 | 372 |
| posix | witness | 4 | 369 |
| mojave | witness | 4 | 367 |
| suse | witness | 4 | 367 |
| centos | witness | 4 | 360 |
| osx | witness | 4 | 357 |
| bsd | witness | 4 | 351 |
| v7 | witness | 4 | 338 |
| ultrix | witness | 4 | 305 |
| plan9 | witness | 4 | 260 |