| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | vcsa | 4 | 266 |
| redhat | vcsa | 4 | 252 |
| centos | vcsa | 4 | 235 |
| bsd | vcsa | 4 | 234 |
| v7 | vcsa | 4 | 224 |
| opendarwin | vcsa | 4 | 197 |
| debian | vcsa | 4 | 196 |
| opensolaris | vcsa | 4 | 192 |
| xfree86 | vcsa | 4 | 190 |
| plan9 | vcsa | 4 | 188 |
| suse | vcsa | 4 | 182 |
| freebsd | vcsa | 4 | 173 |
| posix | vcsa | 4 | 165 |
| x11r4 | vcsa | 4 | 151 |
| php | vcsa | 4 | 148 |
| mojave | vcsa | 4 | 128 |
| minix | vcsa | 4 | 127 |
| hpux | vcsa | 4 | 127 |
| osf1 | vcsa | 4 | 119 |
| sunos | vcsa | 4 | 118 |