| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | sx | 9 | 779 |
| linux | sx | 9 | 772 |
| redhat | sx | 1 | 731 |
| debian | sx | 9 | 672 |
| centos | sx | 9 | 542 |
| bsd | sx | 9 | 542 |
| posix | sx | 9 | 452 |
| minix | sx | 9 | 411 |
| plan9 | sx | 9 | 404 |
| suse | sx | 9 | 398 |
| hpux | sx | 9 | 387 |
| osx | sx | 9 | 386 |
| mojave | sx | 9 | 381 |
| xfree86 | sx | 9 | 374 |
| opensolaris | sx | 9 | 372 |
| php | sx | 9 | 355 |
| ultrix | sx | 9 | 330 |