| OS | Man Page | Section | Hits |
|---|---|---|---|
| redhat | xwud | 1 | 458 |
| linux | xwud | 1 | 422 |
| debian | xwud | 1 | 392 |
| suse | xwud | 1 | 375 |
| ultrix | xwud | 1 | 371 |
| opendarwin | xwud | 1 | 366 |
| hpux | xwud | 1 | 352 |
| centos | xwud | 1 | 345 |
| osx | xwud | 1 | 344 |
| xfree86 | xwud | 1 | 330 |
| posix | xwud | 1 | 322 |
| v7 | xwud | 1 | 321 |
| osf1 | xwud | 1x | 321 |
| x11r4 | xwud | 1 | 320 |
| opensolaris | xwud | 1 | 320 |
| mojave | xwud | 1 | 319 |
| sunos | xwud | 1 | 318 |
| plan9 | xwud | 1 | 287 |
| minix | xwud | 1 | 277 |
| freebsd | xwud | 1 | 260 |
| php | xwud | 1 | 224 |