| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | rl | 1 | 400 |
| bsd | rl | 4 | 341 |
| freebsd | rl | 4 | 309 |
| debian | rl | 4 | 268 |
| opensolaris | rl | 1 | 242 |
| posix | rl | 1 | 238 |
| v7 | rl | 1 | 222 |
| redhat | rl | 1 | 215 |
| netbsd | rl | 1 | 213 |
| suse | rl | 1 | 208 |
| osx | rl | 1 | 200 |
| centos | rl | 1 | 193 |
| php | rl | 1 | 190 |
| plan9 | rl | 1 | 187 |
| minix | rl | 1 | 178 |
| opendarwin | rl | 1 | 165 |
| xfree86 | rl | 1 | 162 |
| debian | rl | 1 | 139 |