| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pipe2 | 2 | 287 |
| posix | pipe2 | 2 | 236 |
| freebsd | pipe2 | 2 | 194 |
| netbsd | pipe2 | 2 | 189 |
| opendarwin | pipe2 | 2 | 178 |
| hpux | pipe2 | 2 | 174 |
| mojave | pipe2 | 2 | 173 |
| suse | pipe2 | 2 | 162 |
| centos | pipe2 | 2 | 157 |
| minix | pipe2 | 2 | 143 |
| xfree86 | pipe2 | 2 | 136 |
| php | pipe2 | 2 | 136 |
| plan9 | pipe2 | 2 | 134 |
| osf1 | pipe2 | 2 | 133 |
| x11r4 | pipe2 | 2 | 127 |
| debian | pipe2 | 2 | 119 |
| opensolaris | pipe2 | 2 | 117 |
| sunos | pipe2 | 2 | 106 |