| OS | Man Page | Section | Hits |
|---|---|---|---|
| minix | xv | 3 | 187 |
| linux | xv | 3 | 115 |
| ultrix | xv | 3 | 113 |
| x11r4 | xv | 3 | 104 |
| v7 | xv | 3 | 103 |
| centos | xv | 3 | 98 |
| freebsd | xv | 3 | 96 |
| opendarwin | xv | 3 | 94 |
| netbsd | xv | 3 | 91 |
| sunos | xv | 3 | 83 |
| opensolaris | xv | 3 | 74 |
| php | xv | 3 | 72 |
| osx | xv | 3 | 70 |
| debian | xv | 3 | 68 |
| suse | xv | 3 | 61 |
| osf1 | xv | 3 | 60 |
| xfree86 | xv | 3x | 57 |
| bsd | xv | 3 | 53 |
| mojave | xv | 3 | 51 |
| redhat | xv | 3x | 47 |
| hpux | xv | 3 | 41 |
| plan9 | xv | 3 | 34 |