| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | nulldev | 9f | 429 |
| opensolaris | nulldev | 9f | 403 |
| bsd | nulldev | 9f | 394 |
| xfree86 | nulldev | 9f | 364 |
| sunos | nulldev | 9f | 362 |
| centos | nulldev | 9f | 347 |
| mojave | nulldev | 9f | 347 |
| minix | nulldev | 9f | 346 |
| posix | nulldev | 9f | 345 |
| suse | nulldev | 9f | 343 |
| hpux | nulldev | 9f | 340 |
| osx | nulldev | 9f | 339 |
| plan9 | nulldev | 9f | 312 |
| osf1 | nulldev | 9f | 307 |
| v7 | nulldev | 9f | 302 |
| redhat | nulldev | 9f | 299 |
| x11r4 | nulldev | 9f | 298 |
| debian | nulldev | 9f | 297 |
| ultrix | nulldev | 9f | 292 |
| php | nulldev | 9f | 290 |