| OS | Man Page | Section | Hits |
|---|---|---|---|
| freebsd | sx | 9 | 195 |
| bsd | sx | 9 | 160 |
| linux | sx | 9 | 131 |
| redhat | sx | 1 | 89 |
| debian | sx | 9 | 69 |
| plan9 | sx | 9 | 64 |
| xfree86 | sx | 9 | 59 |
| centos | sx | 9 | 57 |
| suse | sx | 9 | 51 |
| php | sx | 9 | 46 |
| minix | sx | 9 | 45 |
| osx | sx | 9 | 45 |
| mojave | sx | 9 | 44 |
| hpux | sx | 9 | 43 |
| opensolaris | sx | 9 | 40 |
| posix | sx | 9 | 37 |
| ultrix | sx | 9 | 33 |