| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pcresyntax | 3 | 294 |
| debian | pcresyntax | 3 | 178 |
| centos | pcresyntax | 3 | 172 |
| x11r4 | pcresyntax | 3 | 162 |
| ultrix | pcresyntax | 3 | 155 |
| osx | pcresyntax | 3 | 155 |
| php | pcresyntax | 3 | 147 |
| posix | pcresyntax | 3 | 140 |
| plan9 | pcresyntax | 3 | 129 |
| xfree86 | pcresyntax | 3 | 126 |
| suse | pcresyntax | 3 | 125 |
| v7 | pcresyntax | 3 | 122 |
| mojave | pcresyntax | 3 | 118 |
| hpux | pcresyntax | 3 | 115 |