| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pcresyntax | 3 | 739 |
| debian | pcresyntax | 3 | 468 |
| centos | pcresyntax | 3 | 418 |
| x11r4 | pcresyntax | 3 | 397 |
| php | pcresyntax | 3 | 387 |
| ultrix | pcresyntax | 3 | 386 |
| xfree86 | pcresyntax | 3 | 351 |
| v7 | pcresyntax | 3 | 347 |
| posix | pcresyntax | 3 | 346 |
| plan9 | pcresyntax | 3 | 344 |
| osx | pcresyntax | 3 | 329 |
| mojave | pcresyntax | 3 | 318 |
| hpux | pcresyntax | 3 | 294 |
| suse | pcresyntax | 3 | 293 |