| OS | Man Page | Section | Hits |
|---|---|---|---|
| netbsd | ep | 4 | 296 |
| linux | ep | 4 | 288 |
| redhat | ep | 4 | 252 |
| freebsd | ep | 4 | 249 |
| bsd | ep | 4 | 234 |
| debian | ep | 4 | 226 |
| centos | ep | 4 | 216 |
| opensolaris | ep | 4 | 207 |
| php | ep | 4 | 199 |
| plan9 | ep | 4 | 193 |
| xfree86 | ep | 4 | 190 |
| v7 | ep | 4 | 188 |
| minix | ep | 4 | 187 |
| suse | ep | 4 | 175 |
| opendarwin | ep | 4 | 174 |
| hpux | ep | 4 | 173 |
| posix | ep | 4 | 143 |
| osf1 | ep | 4 | 139 |