| OS | Man Page | Section | Hits |
|---|---|---|---|
| bsd | ep | 4 | 522 |
| netbsd | ep | 4 | 513 |
| linux | ep | 4 | 492 |
| freebsd | ep | 4 | 465 |
| redhat | ep | 4 | 452 |
| debian | ep | 4 | 400 |
| centos | ep | 4 | 395 |
| v7 | ep | 4 | 393 |
| xfree86 | ep | 4 | 391 |
| opensolaris | ep | 4 | 390 |
| minix | ep | 4 | 387 |
| hpux | ep | 4 | 380 |
| opendarwin | ep | 4 | 375 |
| php | ep | 4 | 375 |
| suse | ep | 4 | 370 |
| plan9 | ep | 4 | 370 |
| osf1 | ep | 4 | 302 |
| posix | ep | 4 | 288 |