| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | vcsa | 4 | 446 |
| centos | vcsa | 4 | 426 |
| redhat | vcsa | 4 | 419 |
| v7 | vcsa | 4 | 399 |
| bsd | vcsa | 4 | 390 |
| plan9 | vcsa | 4 | 337 |
| debian | vcsa | 4 | 337 |
| opendarwin | vcsa | 4 | 317 |
| xfree86 | vcsa | 4 | 315 |
| suse | vcsa | 4 | 310 |
| opensolaris | vcsa | 4 | 288 |
| freebsd | vcsa | 4 | 282 |
| php | vcsa | 4 | 275 |
| posix | vcsa | 4 | 261 |
| mojave | vcsa | 4 | 239 |
| minix | vcsa | 4 | 226 |
| hpux | vcsa | 4 | 218 |
| x11r4 | vcsa | 4 | 217 |
| osf1 | vcsa | 4 | 214 |
| sunos | vcsa | 4 | 206 |