| OS | Man Page | Section | Hits |
|---|---|---|---|
| netbsd | an | 4 | 109 |
| freebsd | an | 4 | 93 |
| linux | an | 4 | 90 |
| redhat | an | 4 | 76 |
| minix | an | 4 | 76 |
| debian | an | 4 | 72 |
| osx | an | 4 | 69 |
| opensolaris | an | 4 | 65 |
| suse | an | 4 | 60 |
| plan9 | an | 4 | 59 |
| php | an | 4 | 53 |
| centos | an | 4 | 52 |
| opendarwin | an | 4 | 52 |
| xfree86 | an | 4 | 48 |
| posix | an | 4 | 48 |
| hpux | an | 4 | 47 |
| bsd | an | 4 | 44 |
| v7 | an | 4 | 33 |
| debian | an | 6 | 28 |