| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pipe2 | 2 | 89 |
| freebsd | pipe2 | 2 | 75 |
| netbsd | pipe2 | 2 | 52 |
| suse | pipe2 | 2 | 40 |
| mojave | pipe2 | 2 | 39 |
| posix | pipe2 | 2 | 39 |
| opensolaris | pipe2 | 2 | 38 |
| minix | pipe2 | 2 | 36 |
| centos | pipe2 | 2 | 35 |
| sunos | pipe2 | 2 | 28 |
| plan9 | pipe2 | 2 | 25 |
| debian | pipe2 | 2 | 24 |
| xfree86 | pipe2 | 2 | 23 |
| x11r4 | pipe2 | 2 | 21 |
| hpux | pipe2 | 2 | 20 |
| php | pipe2 | 2 | 19 |
| opendarwin | pipe2 | 2 | 17 |
| osf1 | pipe2 | 2 | 15 |