| OS | Man Page | Section | Hits |
|---|---|---|---|
| sunos | chkey | 1 | 518 |
| osf1 | chkey | 1 | 484 |
| hpux | chkey | 1 | 448 |
| opensolaris | chkey | 1 | 448 |
| freebsd | chkey | 1 | 447 |
| centos | chkey | 1 | 442 |
| v7 | chkey | 1 | 429 |
| php | chkey | 1 | 425 |
| debian | chkey | 1 | 421 |
| bsd | chkey | 1 | 408 |
| suse | chkey | 1 | 406 |
| plan9 | chkey | 1 | 396 |
| opendarwin | chkey | 1 | 393 |
| redhat | chkey | 1 | 378 |
| posix | chkey | 1 | 375 |
| x11r4 | chkey | 1 | 374 |
| mojave | chkey | 1 | 346 |
| minix | chkey | 1 | 344 |
| linux | chkey | 1 | 339 |
| xfree86 | chkey | 1 | 293 |
| osx | chkey | 1 | 273 |