| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | prnio | 7i | 172 |
| xfree86 | prnio | 7i | 160 |
| sunos | prnio | 7i | 148 |
| suse | prnio | 7i | 140 |
| mojave | prnio | 7i | 132 |
| redhat | prnio | 7i | 130 |
| posix | prnio | 7i | 128 |
| v7 | prnio | 7i | 128 |
| centos | prnio | 7i | 124 |
| minix | prnio | 7i | 123 |
| php | prnio | 7i | 120 |
| opensolaris | prnio | 7i | 115 |
| osf1 | prnio | 7i | 115 |
| debian | prnio | 7i | 113 |
| plan9 | prnio | 7i | 113 |
| hpux | prnio | 7i | 112 |