| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pipe2 | 2 | 521 |
| posix | pipe2 | 2 | 451 |
| freebsd | pipe2 | 2 | 360 |
| centos | pipe2 | 2 | 327 |
| netbsd | pipe2 | 2 | 319 |
| suse | pipe2 | 2 | 317 |
| hpux | pipe2 | 2 | 314 |
| mojave | pipe2 | 2 | 312 |
| minix | pipe2 | 2 | 279 |
| php | pipe2 | 2 | 277 |
| opendarwin | pipe2 | 2 | 276 |
| xfree86 | pipe2 | 2 | 269 |
| plan9 | pipe2 | 2 | 264 |
| x11r4 | pipe2 | 2 | 251 |
| osf1 | pipe2 | 2 | 203 |
| opensolaris | pipe2 | 2 | 193 |
| debian | pipe2 | 2 | 190 |
| sunos | pipe2 | 2 | 178 |