| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | rl | 1 | 338 |
| bsd | rl | 4 | 277 |
| freebsd | rl | 4 | 274 |
| debian | rl | 4 | 236 |
| posix | rl | 1 | 193 |
| opensolaris | rl | 1 | 189 |
| v7 | rl | 1 | 184 |
| redhat | rl | 1 | 172 |
| netbsd | rl | 1 | 166 |
| suse | rl | 1 | 159 |
| osx | rl | 1 | 158 |
| php | rl | 1 | 158 |
| plan9 | rl | 1 | 151 |
| centos | rl | 1 | 148 |
| minix | rl | 1 | 143 |
| opendarwin | rl | 1 | 130 |
| xfree86 | rl | 1 | 130 |
| debian | rl | 1 | 116 |