| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | nulldev | 9f | 121 |
| bsd | nulldev | 9f | 101 |
| osx | nulldev | 9f | 84 |
| opensolaris | nulldev | 9f | 83 |
| sunos | nulldev | 9f | 83 |
| mojave | nulldev | 9f | 73 |
| redhat | nulldev | 9f | 72 |
| php | nulldev | 9f | 70 |
| minix | nulldev | 9f | 70 |
| ultrix | nulldev | 9f | 69 |
| x11r4 | nulldev | 9f | 67 |
| xfree86 | nulldev | 9f | 65 |
| centos | nulldev | 9f | 64 |
| posix | nulldev | 9f | 64 |
| v7 | nulldev | 9f | 62 |
| debian | nulldev | 9f | 58 |
| plan9 | nulldev | 9f | 58 |
| suse | nulldev | 9f | 57 |
| osf1 | nulldev | 9f | 54 |
| hpux | nulldev | 9f | 47 |