| OS | Man Page | Section | Hits |
|---|---|---|---|
| debian | wb | 4 | 321 |
| linux | wb | 4 | 319 |
| osf1 | wb | 4 | 310 |
| freebsd | wb | 4 | 274 |
| php | wb | 4 | 264 |
| centos | wb | 4 | 239 |
| redhat | wb | 4 | 239 |
| plan9 | wb | 4 | 238 |
| minix | wb | 4 | 235 |
| netbsd | wb | 4 | 231 |
| opendarwin | wb | 4 | 225 |
| opensolaris | wb | 4 | 223 |
| xfree86 | wb | 4 | 219 |
| osx | wb | 4 | 215 |
| suse | wb | 4 | 211 |
| bsd | wb | 4 | 169 |
| hpux | wb | 4 | 157 |