| OS | Man Page | Section | Hits |
|---|---|---|---|
| linux | xwud | 1 | 138 |
| redhat | xwud | 1 | 132 |
| debian | xwud | 1 | 105 |
| suse | xwud | 1 | 101 |
| hpux | xwud | 1 | 92 |
| centos | xwud | 1 | 84 |
| opendarwin | xwud | 1 | 81 |
| opensolaris | xwud | 1 | 77 |
| sunos | xwud | 1 | 76 |
| xfree86 | xwud | 1 | 74 |
| freebsd | xwud | 1 | 72 |
| x11r4 | xwud | 1 | 67 |
| osx | xwud | 1 | 63 |
| minix | xwud | 1 | 62 |
| ultrix | xwud | 1 | 56 |
| v7 | xwud | 1 | 55 |
| posix | xwud | 1 | 52 |
| php | xwud | 1 | 52 |
| plan9 | xwud | 1 | 45 |
| mojave | xwud | 1 | 44 |
| osf1 | xwud | 1x | 42 |