| OS | Man Page | Section | Hits |
|---|---|---|---|
| netbsd | an | 4 | 319 |
| linux | an | 4 | 266 |
| freebsd | an | 4 | 263 |
| redhat | an | 4 | 261 |
| osx | an | 4 | 255 |
| minix | an | 4 | 253 |
| debian | an | 4 | 244 |
| plan9 | an | 4 | 242 |
| opensolaris | an | 4 | 237 |
| xfree86 | an | 4 | 231 |
| suse | an | 4 | 226 |
| php | an | 4 | 225 |
| opendarwin | an | 4 | 224 |
| centos | an | 4 | 217 |
| posix | an | 4 | 177 |
| hpux | an | 4 | 145 |
| bsd | an | 4 | 144 |
| debian | an | 6 | 143 |
| v7 | an | 4 | 127 |