| OS | Man Page | Section | Hits |
|---|---|---|---|
| posix | syscalls | 2 | 997 |
| v7 | syscalls | 2 | 415 |
| linux | syscalls | 2 | 411 |
| centos | syscalls | 2 | 328 |
| minix | syscalls | 2 | 319 |
| plan9 | syscalls | 2 | 316 |
| bsd | syscalls | 2 | 311 |
| freebsd | syscalls | 2 | 306 |
| suse | syscalls | 2 | 268 |
| osf1 | syscalls | 2 | 250 |
| sunos | syscalls | 2 | 231 |
| debian | syscalls | 2 | 226 |
| x11r4 | syscalls | 2 | 221 |
| opendarwin | syscalls | 2 | 221 |
| redhat | syscalls | 2 | 220 |
| php | syscalls | 2 | 212 |
| osx | syscalls | 2 | 202 |
| xfree86 | syscalls | 2 | 200 |
| opensolaris | syscalls | 2 | 183 |
| debian | perl::critic::policy::inputoutput::requirecheckedsyscalls | 3pm | 179 |
| mojave | syscalls | 2 | 170 |
| ultrix | syscalls | 2 | 166 |
| hpux | syscalls | 2 | 166 |
| centos | perl::critic::policy::inputoutput::requirecheckedsyscalls | 3 | 164 |