| OS | Man Page | Section | Hits |
|---|---|---|---|
| netbsd | ep | 4 | 337 |
| linux | ep | 4 | 333 |
| bsd | ep | 4 | 304 |
| freebsd | ep | 4 | 297 |
| redhat | ep | 4 | 293 |
| debian | ep | 4 | 275 |
| centos | ep | 4 | 262 |
| php | ep | 4 | 253 |
| xfree86 | ep | 4 | 246 |
| opensolaris | ep | 4 | 242 |
| plan9 | ep | 4 | 240 |
| minix | ep | 4 | 234 |
| v7 | ep | 4 | 228 |
| suse | ep | 4 | 215 |
| opendarwin | ep | 4 | 213 |
| hpux | ep | 4 | 212 |
| osf1 | ep | 4 | 179 |
| posix | ep | 4 | 165 |