| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | vr | 4 | 110 |
| linux | vr | 4 | 107 |
| netbsd | vr | 4 | 76 |
| debian | vr | 4 | 71 |
| redhat | vr | 4 | 61 |
| v7 | vr | 4 | 61 |
| php | vr | 4 | 59 |
| xfree86 | vr | 4 | 57 |
| minix | vr | 4 | 55 |
| opensolaris | vr | 4 | 53 |
| osx | vr | 4 | 52 |
| plan9 | vr | 4 | 51 |
| posix | vr | 4 | 50 |
| centos | vr | 4 | 49 |
| suse | vr | 4 | 43 |
| osf1 | vr | 4 | 43 |
| bsd | vr | 4 | 42 |
| hpux | vr | 4 | 40 |
| x11r4 | vr | 4 | 38 |