| OS | Man Page | Section | Hits |
|---|---|---|---|
| v7 | y1 | 3 | 524 |
| centos | y1 | 3 | 483 |
| redhat | y1 | 3 | 440 |
| opendarwin | y1 | 3 | 439 |
| osx | y1 | 3 | 439 |
| centos | y1 | 3p | 435 |
| mojave | y1 | 3 | 428 |
| xfree86 | y1 | 3 | 418 |
| linux | y1 | 3 | 414 |
| plan9 | y1 | 3 | 401 |
| posix | y1 | 3 | 396 |
| suse | y1 | 3 | 388 |
| suse | y1 | 3p | 388 |
| php | y1 | 3 | 381 |
| debian | y1 | 3 | 335 |
| freebsd | y1 | 3 | 302 |
| sunos | y1 | 3m | 295 |
| netbsd | y1 | 3 | 293 |
| osf1 | y1 | 3 | 277 |
| opensolaris | y1 | 3m | 276 |
| hpux | y1 | 3m | 266 |
| ultrix | y1 | 3m | 215 |