| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | on | 1 | 293 |
| osf1 | on | 0x1 | 267 |
| redhat | on | 1 | 219 |
| suse | on | 1 | 215 |
| debian | on | 1 | 193 |
| x11r4 | on | 1 | 192 |
| sunos | on | 1 | 182 |
| opendarwin | on | 1 | 177 |
| php | on | 1 | 175 |
| osx | on | 1 | 174 |
| hpux | on | 1 | 149 |
| osf1 | on | 1 | 149 |
| opensolaris | on | 1 | 146 |
| centos | on | 1 | 144 |
| bsd | on | 1 | 138 |
| posix | on | 1 | 132 |
| v7 | on | 1 | 122 |
| plan9 | on | 1 | 113 |
| freebsd | on | 1 | 107 |
| xfree86 | on | 1 | 91 |
| minix | on | 1 | 71 |