| OS | Man Page | Section | Hits |
|---|---|---|---|
| osf1 | wb | 4 | 164 |
| freebsd | wb | 4 | 138 |
| linux | wb | 4 | 137 |
| debian | wb | 4 | 132 |
| centos | wb | 4 | 113 |
| php | wb | 4 | 110 |
| netbsd | wb | 4 | 104 |
| redhat | wb | 4 | 103 |
| opensolaris | wb | 4 | 98 |
| minix | wb | 4 | 90 |
| plan9 | wb | 4 | 83 |
| osx | wb | 4 | 80 |
| xfree86 | wb | 4 | 78 |
| suse | wb | 4 | 73 |
| opendarwin | wb | 4 | 72 |
| bsd | wb | 4 | 70 |
| hpux | wb | 4 | 66 |