| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pipe2 | 2 | 630 |
| posix | pipe2 | 2 | 584 |
| freebsd | pipe2 | 2 | 466 |
| centos | pipe2 | 2 | 424 |
| netbsd | pipe2 | 2 | 392 |
| hpux | pipe2 | 2 | 389 |
| suse | pipe2 | 2 | 388 |
| mojave | pipe2 | 2 | 383 |
| php | pipe2 | 2 | 354 |
| minix | pipe2 | 2 | 340 |
| xfree86 | pipe2 | 2 | 337 |
| plan9 | pipe2 | 2 | 335 |
| opendarwin | pipe2 | 2 | 312 |
| x11r4 | pipe2 | 2 | 302 |
| opensolaris | pipe2 | 2 | 239 |
| osf1 | pipe2 | 2 | 235 |
| sunos | pipe2 | 2 | 218 |
| debian | pipe2 | 2 | 215 |