| OS | Man Page | Section | Hits |
|---|---|---|---|
| bsd | ep | 4 | 606 |
| netbsd | ep | 4 | 567 |
| linux | ep | 4 | 541 |
| redhat | ep | 4 | 514 |
| freebsd | ep | 4 | 508 |
| xfree86 | ep | 4 | 441 |
| debian | ep | 4 | 438 |
| v7 | ep | 4 | 435 |
| centos | ep | 4 | 433 |
| opensolaris | ep | 4 | 432 |
| minix | ep | 4 | 432 |
| hpux | ep | 4 | 430 |
| opendarwin | ep | 4 | 418 |
| suse | ep | 4 | 415 |
| php | ep | 4 | 415 |
| plan9 | ep | 4 | 410 |
| osf1 | ep | 4 | 329 |
| posix | ep | 4 | 316 |