| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pipe2 | 2 | 142 |
| freebsd | pipe2 | 2 | 107 |
| opendarwin | pipe2 | 2 | 92 |
| netbsd | pipe2 | 2 | 85 |
| mojave | pipe2 | 2 | 82 |
| posix | pipe2 | 2 | 81 |
| minix | pipe2 | 2 | 68 |
| suse | pipe2 | 2 | 66 |
| hpux | pipe2 | 2 | 62 |
| centos | pipe2 | 2 | 60 |
| opensolaris | pipe2 | 2 | 60 |
| plan9 | pipe2 | 2 | 55 |
| xfree86 | pipe2 | 2 | 54 |
| sunos | pipe2 | 2 | 53 |
| php | pipe2 | 2 | 52 |
| debian | pipe2 | 2 | 51 |
| x11r4 | pipe2 | 2 | 49 |
| osf1 | pipe2 | 2 | 40 |