| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pipe2 | 2 | 697 |
| posix | pipe2 | 2 | 653 |
| freebsd | pipe2 | 2 | 503 |
| centos | pipe2 | 2 | 459 |
| netbsd | pipe2 | 2 | 434 |
| suse | pipe2 | 2 | 429 |
| hpux | pipe2 | 2 | 426 |
| mojave | pipe2 | 2 | 414 |
| php | pipe2 | 2 | 392 |
| plan9 | pipe2 | 2 | 380 |
| minix | pipe2 | 2 | 375 |
| xfree86 | pipe2 | 2 | 373 |
| x11r4 | pipe2 | 2 | 339 |
| opendarwin | pipe2 | 2 | 336 |
| osf1 | pipe2 | 2 | 262 |
| opensolaris | pipe2 | 2 | 256 |
| sunos | pipe2 | 2 | 235 |
| debian | pipe2 | 2 | 228 |