| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | vcsa | 4 | 349 |
| redhat | vcsa | 4 | 339 |
| centos | vcsa | 4 | 335 |
| bsd | vcsa | 4 | 297 |
| v7 | vcsa | 4 | 286 |
| debian | vcsa | 4 | 274 |
| plan9 | vcsa | 4 | 252 |
| opendarwin | vcsa | 4 | 252 |
| xfree86 | vcsa | 4 | 241 |
| suse | vcsa | 4 | 233 |
| opensolaris | vcsa | 4 | 232 |
| freebsd | vcsa | 4 | 220 |
| posix | vcsa | 4 | 201 |
| php | vcsa | 4 | 199 |
| mojave | vcsa | 4 | 184 |
| x11r4 | vcsa | 4 | 182 |
| osf1 | vcsa | 4 | 170 |
| hpux | vcsa | 4 | 170 |
| minix | vcsa | 4 | 165 |
| sunos | vcsa | 4 | 155 |