| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | witness | 4 | 185 |
| linux | witness | 4 | 127 |
| debian | witness | 4 | 123 |
| opensolaris | witness | 4 | 120 |
| php | witness | 4 | 112 |
| redhat | witness | 4 | 111 |
| osx | witness | 4 | 102 |
| minix | witness | 4 | 101 |
| bsd | witness | 4 | 100 |
| suse | witness | 4 | 98 |
| mojave | witness | 4 | 97 |
| xfree86 | witness | 4 | 94 |
| centos | witness | 4 | 93 |
| v7 | witness | 4 | 93 |
| posix | witness | 4 | 91 |
| plan9 | witness | 4 | 90 |
| ultrix | witness | 4 | 75 |