| OS | Man Page | Section | Hits |
|---|---|---|---|
| opensolaris | attropen | 3c | 371 |
| sunos | attropen | 3c | 325 |
| debian | attropen | 3c | 273 |
| osx | attropen | 3c | 272 |
| posix | attropen | 3c | 267 |
| xfree86 | attropen | 3c | 266 |
| v7 | attropen | 3c | 264 |
| centos | attropen | 3c | 260 |
| opendarwin | attropen | 3c | 259 |
| suse | attropen | 3c | 253 |
| minix | attropen | 3c | 253 |
| linux | attropen | 3c | 251 |
| mojave | attropen | 3c | 240 |
| php | attropen | 3c | 239 |
| plan9 | attropen | 3c | 230 |
| x11r4 | attropen | 3c | 215 |
| bsd | attropen | 3c | 209 |
| osf1 | attropen | 3c | 208 |
| ultrix | attropen | 3c | 188 |