| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | nulldev | 9f | 265 |
| bsd | nulldev | 9f | 238 |
| osx | nulldev | 9f | 215 |
| opensolaris | nulldev | 9f | 210 |
| sunos | nulldev | 9f | 193 |
| mojave | nulldev | 9f | 192 |
| xfree86 | nulldev | 9f | 192 |
| minix | nulldev | 9f | 189 |
| redhat | nulldev | 9f | 187 |
| centos | nulldev | 9f | 182 |
| php | nulldev | 9f | 182 |
| suse | nulldev | 9f | 182 |
| posix | nulldev | 9f | 181 |
| osf1 | nulldev | 9f | 177 |
| ultrix | nulldev | 9f | 174 |
| hpux | nulldev | 9f | 173 |
| x11r4 | nulldev | 9f | 172 |
| plan9 | nulldev | 9f | 171 |
| v7 | nulldev | 9f | 168 |
| debian | nulldev | 9f | 167 |