| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pipe2 | 2 | 242 |
| posix | pipe2 | 2 | 192 |
| freebsd | pipe2 | 2 | 161 |
| opendarwin | pipe2 | 2 | 157 |
| netbsd | pipe2 | 2 | 147 |
| hpux | pipe2 | 2 | 146 |
| mojave | pipe2 | 2 | 139 |
| suse | pipe2 | 2 | 123 |
| centos | pipe2 | 2 | 122 |
| xfree86 | pipe2 | 2 | 112 |
| minix | pipe2 | 2 | 111 |
| php | pipe2 | 2 | 105 |
| plan9 | pipe2 | 2 | 99 |
| sunos | pipe2 | 2 | 96 |
| opensolaris | pipe2 | 2 | 96 |
| x11r4 | pipe2 | 2 | 95 |
| debian | pipe2 | 2 | 91 |
| osf1 | pipe2 | 2 | 88 |