| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | sf | 4 | 793 |
| redhat | sf | 4 | 761 |
| opensolaris | sf | 7d | 673 |
| mojave | sf | 4 | 672 |
| minix | sf | 4 | 660 |
| netbsd | sf | 4 | 659 |
| suse | sf | 4 | 654 |
| php | sf | 4 | 650 |
| centos | sf | 4 | 640 |
| debian | sf | 4 | 618 |
| freebsd | sf | 4 | 601 |
| osx | sf | 4 | 598 |
| v7 | sf | 4 | 589 |
| plan9 | sf | 4 | 576 |
| x11r4 | sf | 4 | 546 |
| bsd | sf | 4 | 542 |
| xfree86 | sf | 4 | 532 |
| sunos | sf | 7d | 498 |
| posix | sf | 4 | 462 |
| osf1 | sf | 4 | 347 |
| hpux | sf | 4 | 332 |