| OS | Man Page | Section | Hits |
|---|---|---|---|
| posix | syscalls | 2 | 1,820 |
| v7 | syscalls | 2 | 885 |
| linux | syscalls | 2 | 709 |
| plan9 | syscalls | 2 | 630 |
| centos | syscalls | 2 | 583 |
| minix | syscalls | 2 | 533 |
| freebsd | syscalls | 2 | 530 |
| suse | syscalls | 2 | 525 |
| bsd | syscalls | 2 | 520 |
| debian | syscalls | 2 | 461 |
| opendarwin | syscalls | 2 | 432 |
| osf1 | syscalls | 2 | 429 |
| x11r4 | syscalls | 2 | 428 |
| xfree86 | syscalls | 2 | 416 |
| osx | syscalls | 2 | 406 |
| redhat | syscalls | 2 | 385 |
| sunos | syscalls | 2 | 385 |
| php | syscalls | 2 | 380 |
| debian | perl::critic::policy::inputoutput::requirecheckedsyscalls | 3pm | 377 |
| ultrix | syscalls | 2 | 329 |
| opensolaris | syscalls | 2 | 315 |
| centos | perl::critic::policy::inputoutput::requirecheckedsyscalls | 3 | 313 |
| mojave | syscalls | 2 | 311 |
| hpux | syscalls | 2 | 305 |