| OS | Man Page | Section | Hits |
|---|---|---|---|
| redhat | xwud | 1 | 524 |
| linux | xwud | 1 | 502 |
| opendarwin | xwud | 1 | 473 |
| ultrix | xwud | 1 | 468 |
| debian | xwud | 1 | 464 |
| suse | xwud | 1 | 447 |
| hpux | xwud | 1 | 420 |
| osf1 | xwud | 1x | 416 |
| centos | xwud | 1 | 415 |
| x11r4 | xwud | 1 | 408 |
| xfree86 | xwud | 1 | 403 |
| posix | xwud | 1 | 399 |
| osx | xwud | 1 | 398 |
| opensolaris | xwud | 1 | 396 |
| v7 | xwud | 1 | 393 |
| sunos | xwud | 1 | 381 |
| mojave | xwud | 1 | 379 |
| plan9 | xwud | 1 | 360 |
| minix | xwud | 1 | 343 |
| freebsd | xwud | 1 | 302 |
| php | xwud | 1 | 249 |