| OS | Man Page | Section | Hits |
|---|---|---|---|
| sunos | niserror | 1 | 166 |
| linux | niserror | 1 | 164 |
| bsd | niserror | 1 | 145 |
| suse | niserror | 1 | 137 |
| opendarwin | niserror | 1 | 136 |
| mojave | niserror | 1 | 128 |
| opensolaris | niserror | 1 | 126 |
| osf1 | niserror | 1 | 115 |
| redhat | niserror | 1 | 115 |
| x11r4 | niserror | 1 | 114 |
| debian | niserror | 1 | 112 |
| v7 | niserror | 1 | 109 |
| xfree86 | niserror | 1 | 106 |
| minix | niserror | 1 | 105 |
| centos | niserror | 1 | 104 |
| osx | niserror | 1 | 96 |
| hpux | niserror | 1 | 91 |
| plan9 | niserror | 1 | 82 |