| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | ep | 4 | 127 |
| netbsd | ep | 4 | 90 |
| freebsd | ep | 4 | 86 |
| bsd | ep | 4 | 85 |
| debian | ep | 4 | 80 |
| redhat | ep | 4 | 67 |
| opensolaris | ep | 4 | 58 |
| centos | ep | 4 | 57 |
| xfree86 | ep | 4 | 48 |
| php | ep | 4 | 46 |
| v7 | ep | 4 | 46 |
| minix | ep | 4 | 43 |
| opendarwin | ep | 4 | 43 |
| suse | ep | 4 | 42 |
| plan9 | ep | 4 | 42 |
| posix | ep | 4 | 41 |
| hpux | ep | 4 | 34 |
| osf1 | ep | 4 | 34 |