| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | on | 1 | 332 |
| osf1 | on | 0x1 | 319 |
| suse | on | 1 | 306 |
| redhat | on | 1 | 273 |
| debian | on | 1 | 243 |
| x11r4 | on | 1 | 219 |
| sunos | on | 1 | 217 |
| php | on | 1 | 217 |
| opendarwin | on | 1 | 216 |
| osx | on | 1 | 201 |
| centos | on | 1 | 194 |
| opensolaris | on | 1 | 180 |
| osf1 | on | 1 | 179 |
| hpux | on | 1 | 173 |
| bsd | on | 1 | 169 |
| posix | on | 1 | 158 |
| v7 | on | 1 | 154 |
| plan9 | on | 1 | 140 |
| freebsd | on | 1 | 128 |
| xfree86 | on | 1 | 109 |
| minix | on | 1 | 102 |