| OS | Man Page | Section | Hits |
|---|---|---|---|
| posix | syscalls | 2 | 1,445 |
| v7 | syscalls | 2 | 637 |
| linux | syscalls | 2 | 515 |
| plan9 | syscalls | 2 | 438 |
| centos | syscalls | 2 | 395 |
| minix | syscalls | 2 | 394 |
| bsd | syscalls | 2 | 377 |
| freebsd | syscalls | 2 | 372 |
| suse | syscalls | 2 | 358 |
| debian | syscalls | 2 | 315 |
| osf1 | syscalls | 2 | 302 |
| x11r4 | syscalls | 2 | 302 |
| opendarwin | syscalls | 2 | 288 |
| sunos | syscalls | 2 | 285 |
| osx | syscalls | 2 | 282 |
| php | syscalls | 2 | 280 |
| xfree86 | syscalls | 2 | 279 |
| redhat | syscalls | 2 | 261 |
| debian | perl::critic::policy::inputoutput::requirecheckedsyscalls | 3pm | 247 |
| ultrix | syscalls | 2 | 226 |
| opensolaris | syscalls | 2 | 219 |
| mojave | syscalls | 2 | 217 |
| hpux | syscalls | 2 | 215 |
| centos | perl::critic::policy::inputoutput::requirecheckedsyscalls | 3 | 213 |