| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | niserror | 1 | 107 |
| sunos | niserror | 1 | 93 |
| opensolaris | niserror | 1 | 80 |
| suse | niserror | 1 | 79 |
| bsd | niserror | 1 | 74 |
| mojave | niserror | 1 | 73 |
| opendarwin | niserror | 1 | 72 |
| v7 | niserror | 1 | 69 |
| redhat | niserror | 1 | 69 |
| debian | niserror | 1 | 67 |
| x11r4 | niserror | 1 | 66 |
| centos | niserror | 1 | 65 |
| osf1 | niserror | 1 | 63 |
| hpux | niserror | 1 | 61 |
| xfree86 | niserror | 1 | 56 |
| osx | niserror | 1 | 52 |
| minix | niserror | 1 | 47 |
| plan9 | niserror | 1 | 41 |