| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | y0 | 3 | 346 |
| centos | y0 | 3 | 323 |
| suse | y0 | 3 | 293 |
| php | y0 | 3 | 276 |
| plan9 | y0 | 3 | 262 |
| debian | y0 | 3 | 249 |
| xfree86 | y0 | 3 | 239 |
| v7 | y0 | 3 | 236 |
| posix | y0 | 3p | 227 |
| sunos | y0 | 3m | 224 |
| opensolaris | y0 | 3m | 200 |
| suse | y0 | 3p | 199 |
| centos | y0 | 3p | 197 |
| redhat | y0 | 3 | 196 |
| hpux | y0 | 3m | 196 |
| mojave | y0 | 3 | 192 |
| osx | y0 | 3 | 189 |
| opendarwin | y0 | 3 | 183 |
| osf1 | y0 | 3 | 141 |
| freebsd | y0 | 3 | 131 |
| netbsd | y0 | 3 | 127 |
| ultrix | y0 | 3m | 120 |