| OS | Man Page | Section | Hits |
|---|---|---|---|
| osf1 | wb | 4 | 110 |
| freebsd | wb | 4 | 92 |
| linux | wb | 4 | 81 |
| debian | wb | 4 | 69 |
| centos | wb | 4 | 68 |
| netbsd | wb | 4 | 68 |
| php | wb | 4 | 65 |
| redhat | wb | 4 | 64 |
| opensolaris | wb | 4 | 49 |
| minix | wb | 4 | 44 |
| plan9 | wb | 4 | 41 |
| xfree86 | wb | 4 | 41 |
| hpux | wb | 4 | 36 |
| osx | wb | 4 | 35 |
| suse | wb | 4 | 33 |
| opendarwin | wb | 4 | 33 |
| bsd | wb | 4 | 33 |