| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | on | 1 | 116 |
| redhat | on | 1 | 100 |
| sunos | on | 1 | 89 |
| osf1 | on | 0x1 | 86 |
| osx | on | 1 | 84 |
| hpux | on | 1 | 75 |
| opendarwin | on | 1 | 74 |
| suse | on | 1 | 63 |
| x11r4 | on | 1 | 61 |
| debian | on | 1 | 58 |
| opensolaris | on | 1 | 57 |
| posix | on | 1 | 56 |
| osf1 | on | 1 | 55 |
| freebsd | on | 1 | 55 |
| bsd | on | 1 | 47 |
| centos | on | 1 | 39 |
| v7 | on | 1 | 38 |
| php | on | 1 | 36 |
| plan9 | on | 1 | 33 |
| xfree86 | on | 1 | 29 |
| minix | on | 1 | 25 |