| OS | Man Page | Section | Hits |
|---|---|---|---|
| sunos | chkey | 1 | 619 |
| osf1 | chkey | 1 | 574 |
| freebsd | chkey | 1 | 555 |
| hpux | chkey | 1 | 553 |
| opensolaris | chkey | 1 | 538 |
| v7 | chkey | 1 | 520 |
| php | chkey | 1 | 519 |
| bsd | chkey | 1 | 516 |
| centos | chkey | 1 | 510 |
| debian | chkey | 1 | 495 |
| suse | chkey | 1 | 489 |
| redhat | chkey | 1 | 475 |
| plan9 | chkey | 1 | 473 |
| opendarwin | chkey | 1 | 463 |
| posix | chkey | 1 | 457 |
| x11r4 | chkey | 1 | 452 |
| minix | chkey | 1 | 427 |
| mojave | chkey | 1 | 421 |
| linux | chkey | 1 | 408 |
| xfree86 | chkey | 1 | 340 |
| osx | chkey | 1 | 325 |