| OS | Man Page | Section | Hits |
|---|---|---|---|
| osf1 | wb | 4 | 275 |
| linux | wb | 4 | 267 |
| debian | wb | 4 | 264 |
| freebsd | wb | 4 | 225 |
| php | wb | 4 | 207 |
| redhat | wb | 4 | 205 |
| plan9 | wb | 4 | 193 |
| centos | wb | 4 | 193 |
| opensolaris | wb | 4 | 186 |
| netbsd | wb | 4 | 186 |
| minix | wb | 4 | 184 |
| opendarwin | wb | 4 | 181 |
| xfree86 | wb | 4 | 170 |
| osx | wb | 4 | 169 |
| suse | wb | 4 | 167 |
| bsd | wb | 4 | 144 |
| hpux | wb | 4 | 129 |