| OS | Man Page | Section | Hits |
|---|---|---|---|
| redhat | xwud | 1 | 302 |
| linux | xwud | 1 | 276 |
| hpux | xwud | 1 | 242 |
| debian | xwud | 1 | 235 |
| suse | xwud | 1 | 230 |
| opendarwin | xwud | 1 | 212 |
| centos | xwud | 1 | 210 |
| osx | xwud | 1 | 208 |
| ultrix | xwud | 1 | 203 |
| sunos | xwud | 1 | 200 |
| opensolaris | xwud | 1 | 190 |
| v7 | xwud | 1 | 186 |
| x11r4 | xwud | 1 | 184 |
| osf1 | xwud | 1x | 180 |
| posix | xwud | 1 | 180 |
| xfree86 | xwud | 1 | 178 |
| freebsd | xwud | 1 | 173 |
| mojave | xwud | 1 | 171 |
| plan9 | xwud | 1 | 162 |
| minix | xwud | 1 | 150 |
| php | xwud | 1 | 138 |