| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | ad | 1 | 440 |
| redhat | ad | 1 | 351 |
| opendarwin | ad | 1 | 339 |
| debian | ad | 1 | 338 |
| osf1 | ad | 1 | 332 |
| mojave | ad | 1 | 317 |
| centos | ad | 1 | 312 |
| xfree86 | ad | 1 | 291 |
| bsd | ad | 1 | 287 |
| minix | ad | 1 | 284 |
| php | ad | 1 | 282 |
| opensolaris | ad | 5 | 273 |
| suse | ad | 1 | 271 |
| v7 | ad | 1 | 270 |
| hpux | ad | 1 | 252 |
| netbsd | ad | 1 | 243 |
| posix | ad | 1 | 242 |
| debian | ad | 4 | 175 |