| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | xl | 4 | 120 |
| linux | xl | 4 | 91 |
| debian | xl | 4 | 77 |
| php | xl | 4 | 73 |
| minix | xl | 4 | 71 |
| opensolaris | xl | 4 | 61 |
| redhat | xl | 4 | 59 |
| centos | xl | 4 | 57 |
| hpux | xl | 4 | 57 |
| osx | xl | 4 | 55 |
| plan9 | xl | 4 | 51 |
| suse | xl | 4 | 50 |
| bsd | xl | 4 | 50 |
| netbsd | xl | 4 | 48 |
| xfree86 | xl | 4 | 47 |
| v7 | xl | 4 | 42 |
| osf1 | xl | 4 | 40 |
| posix | xl | 4 | 39 |
| opendarwin | xl | 4 | 33 |