| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | pipe2 | 2 | 561 |
| posix | pipe2 | 2 | 512 |
| freebsd | pipe2 | 2 | 418 |
| centos | pipe2 | 2 | 368 |
| hpux | pipe2 | 2 | 357 |
| suse | pipe2 | 2 | 352 |
| netbsd | pipe2 | 2 | 352 |
| mojave | pipe2 | 2 | 339 |
| php | pipe2 | 2 | 309 |
| minix | pipe2 | 2 | 304 |
| xfree86 | pipe2 | 2 | 299 |
| plan9 | pipe2 | 2 | 295 |
| opendarwin | pipe2 | 2 | 295 |
| x11r4 | pipe2 | 2 | 275 |
| osf1 | pipe2 | 2 | 221 |
| opensolaris | pipe2 | 2 | 215 |
| debian | pipe2 | 2 | 202 |
| sunos | pipe2 | 2 | 192 |