| OS | Man Page | Section | Hits |
|---|---|---|---|
| sunos | niserror | 1 | 408 |
| bsd | niserror | 1 | 396 |
| opendarwin | niserror | 1 | 364 |
| suse | niserror | 1 | 356 |
| linux | niserror | 1 | 349 |
| mojave | niserror | 1 | 329 |
| opensolaris | niserror | 1 | 328 |
| minix | niserror | 1 | 309 |
| centos | niserror | 1 | 302 |
| osf1 | niserror | 1 | 300 |
| v7 | niserror | 1 | 299 |
| xfree86 | niserror | 1 | 298 |
| redhat | niserror | 1 | 292 |
| x11r4 | niserror | 1 | 289 |
| debian | niserror | 1 | 285 |
| plan9 | niserror | 1 | 263 |
| osx | niserror | 1 | 220 |
| hpux | niserror | 1 | 213 |