| OS | Man Page | Section | Hits |
|---|---|---|---|
| opensolaris | attropen | 3c | 172 |
| sunos | attropen | 3c | 167 |
| debian | attropen | 3c | 146 |
| suse | attropen | 3c | 135 |
| v7 | attropen | 3c | 132 |
| linux | attropen | 3c | 131 |
| osx | attropen | 3c | 131 |
| xfree86 | attropen | 3c | 130 |
| posix | attropen | 3c | 130 |
| minix | attropen | 3c | 129 |
| centos | attropen | 3c | 129 |
| opendarwin | attropen | 3c | 128 |
| mojave | attropen | 3c | 127 |
| php | attropen | 3c | 121 |
| x11r4 | attropen | 3c | 117 |
| bsd | attropen | 3c | 117 |
| osf1 | attropen | 3c | 109 |
| plan9 | attropen | 3c | 106 |
| ultrix | attropen | 3c | 102 |