| OS | Man Page | Section | Hits |
|---|---|---|---|
| opensolaris | attropen | 3c | 258 |
| sunos | attropen | 3c | 244 |
| centos | attropen | 3c | 203 |
| debian | attropen | 3c | 203 |
| posix | attropen | 3c | 201 |
| osx | attropen | 3c | 201 |
| opendarwin | attropen | 3c | 197 |
| xfree86 | attropen | 3c | 196 |
| suse | attropen | 3c | 194 |
| linux | attropen | 3c | 194 |
| minix | attropen | 3c | 190 |
| v7 | attropen | 3c | 187 |
| mojave | attropen | 3c | 182 |
| php | attropen | 3c | 175 |
| x11r4 | attropen | 3c | 168 |
| bsd | attropen | 3c | 164 |
| osf1 | attropen | 3c | 163 |
| plan9 | attropen | 3c | 160 |
| ultrix | attropen | 3c | 146 |