| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | sx | 9 | 729 |
| freebsd | sx | 9 | 721 |
| redhat | sx | 1 | 673 |
| debian | sx | 9 | 613 |
| bsd | sx | 9 | 508 |
| centos | sx | 9 | 490 |
| posix | sx | 9 | 423 |
| minix | sx | 9 | 376 |
| plan9 | sx | 9 | 371 |
| suse | sx | 9 | 362 |
| mojave | sx | 9 | 358 |
| hpux | sx | 9 | 354 |
| xfree86 | sx | 9 | 353 |
| opensolaris | sx | 9 | 348 |
| osx | sx | 9 | 347 |
| php | sx | 9 | 319 |
| ultrix | sx | 9 | 306 |