| OS | Man Page | Section | Hits |
|---|---|---|---|
| sunos | rd | 9f | 70 |
| redhat | rd | 9f | 69 |
| freebsd | rd | 9f | 64 |
| linux | rd | 9f | 57 |
| osx | rd | 9f | 57 |
| minix | rd | 9f | 48 |
| opensolaris | rd | 9f | 47 |
| php | rd | 9f | 46 |
| xfree86 | rd | 9f | 46 |
| mojave | rd | 9f | 42 |
| osf1 | rd | 9r | 33 |
| posix | rd | 9f | 32 |
| suse | rd | 9f | 30 |
| hpux | rd | 9f | 28 |
| debian | rd | 9f | 27 |
| centos | rd | 9f | 26 |
| netbsd | rd | 9f | 26 |