| OS | Man Page | Section | Hits |
|---|---|---|---|
| sunos | chkey | 1 | 574 |
| osf1 | chkey | 1 | 530 |
| freebsd | chkey | 1 | 509 |
| hpux | chkey | 1 | 499 |
| php | chkey | 1 | 486 |
| opensolaris | chkey | 1 | 485 |
| centos | chkey | 1 | 481 |
| v7 | chkey | 1 | 470 |
| bsd | chkey | 1 | 461 |
| debian | chkey | 1 | 453 |
| suse | chkey | 1 | 449 |
| opendarwin | chkey | 1 | 430 |
| redhat | chkey | 1 | 427 |
| plan9 | chkey | 1 | 427 |
| posix | chkey | 1 | 420 |
| x11r4 | chkey | 1 | 415 |
| mojave | chkey | 1 | 387 |
| minix | chkey | 1 | 383 |
| linux | chkey | 1 | 377 |
| xfree86 | chkey | 1 | 317 |
| osx | chkey | 1 | 304 |