| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | ad | 1 | 140 |
| redhat | ad | 1 | 97 |
| debian | ad | 1 | 88 |
| opendarwin | ad | 1 | 74 |
| centos | ad | 1 | 71 |
| minix | ad | 1 | 66 |
| mojave | ad | 1 | 65 |
| posix | ad | 1 | 52 |
| suse | ad | 1 | 52 |
| php | ad | 1 | 50 |
| osf1 | ad | 1 | 50 |
| opensolaris | ad | 5 | 50 |
| xfree86 | ad | 1 | 46 |
| bsd | ad | 1 | 43 |
| netbsd | ad | 1 | 37 |
| debian | ad | 4 | 35 |
| hpux | ad | 1 | 29 |
| v7 | ad | 1 | 28 |