| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pcresyntax | 3 | 457 |
| debian | pcresyntax | 3 | 298 |
| centos | pcresyntax | 3 | 276 |
| ultrix | pcresyntax | 3 | 258 |
| php | pcresyntax | 3 | 247 |
| x11r4 | pcresyntax | 3 | 240 |
| posix | pcresyntax | 3 | 234 |
| xfree86 | pcresyntax | 3 | 221 |
| osx | pcresyntax | 3 | 219 |
| v7 | pcresyntax | 3 | 213 |
| plan9 | pcresyntax | 3 | 211 |
| suse | pcresyntax | 3 | 203 |
| mojave | pcresyntax | 3 | 202 |
| hpux | pcresyntax | 3 | 181 |