| OS | Man Page | Section | Hits |
|---|---|---|---|
| bsd | niserror | 1 | 301 |
| sunos | niserror | 1 | 300 |
| linux | niserror | 1 | 273 |
| opendarwin | niserror | 1 | 257 |
| mojave | niserror | 1 | 252 |
| suse | niserror | 1 | 252 |
| opensolaris | niserror | 1 | 240 |
| osf1 | niserror | 1 | 223 |
| xfree86 | niserror | 1 | 223 |
| redhat | niserror | 1 | 222 |
| x11r4 | niserror | 1 | 219 |
| centos | niserror | 1 | 217 |
| minix | niserror | 1 | 211 |
| v7 | niserror | 1 | 209 |
| debian | niserror | 1 | 203 |
| plan9 | niserror | 1 | 184 |
| osx | niserror | 1 | 169 |
| hpux | niserror | 1 | 163 |