| OS | Man Page | Section | Hits |
|---|---|---|---|
| v7 | y1 | 3 | 323 |
| centos | y1 | 3 | 318 |
| redhat | y1 | 3 | 271 |
| opendarwin | y1 | 3 | 266 |
| mojave | y1 | 3 | 261 |
| php | y1 | 3 | 248 |
| osx | y1 | 3 | 248 |
| linux | y1 | 3 | 243 |
| posix | y1 | 3 | 243 |
| centos | y1 | 3p | 241 |
| plan9 | y1 | 3 | 241 |
| debian | y1 | 3 | 237 |
| suse | y1 | 3p | 233 |
| xfree86 | y1 | 3 | 231 |
| suse | y1 | 3 | 223 |
| sunos | y1 | 3m | 195 |
| netbsd | y1 | 3 | 173 |
| freebsd | y1 | 3 | 172 |
| osf1 | y1 | 3 | 171 |
| opensolaris | y1 | 3m | 164 |
| hpux | y1 | 3m | 161 |
| ultrix | y1 | 3m | 128 |