| OS | Man Page | Section | Hits |
|---|---|---|---|
| opensolaris | attropen | 3c | 66 |
| sunos | attropen | 3c | 60 |
| linux | attropen | 3c | 54 |
| osf1 | attropen | 3c | 44 |
| v7 | attropen | 3c | 37 |
| debian | attropen | 3c | 36 |
| centos | attropen | 3c | 34 |
| xfree86 | attropen | 3c | 34 |
| suse | attropen | 3c | 33 |
| opendarwin | attropen | 3c | 32 |
| minix | attropen | 3c | 31 |
| osx | attropen | 3c | 30 |
| php | attropen | 3c | 29 |
| bsd | attropen | 3c | 29 |
| mojave | attropen | 3c | 27 |
| posix | attropen | 3c | 27 |
| ultrix | attropen | 3c | 20 |
| x11r4 | attropen | 3c | 19 |
| plan9 | attropen | 3c | 17 |