| OS | Man Page | Section | Hits |
|---|---|---|---|
| redhat | xwud | 1 | 619 |
| linux | xwud | 1 | 602 |
| ultrix | xwud | 1 | 579 |
| opendarwin | xwud | 1 | 563 |
| debian | xwud | 1 | 541 |
| suse | xwud | 1 | 535 |
| centos | xwud | 1 | 516 |
| x11r4 | xwud | 1 | 511 |
| osf1 | xwud | 1x | 503 |
| v7 | xwud | 1 | 493 |
| osx | xwud | 1 | 486 |
| hpux | xwud | 1 | 482 |
| posix | xwud | 1 | 480 |
| xfree86 | xwud | 1 | 475 |
| opensolaris | xwud | 1 | 472 |
| sunos | xwud | 1 | 462 |
| mojave | xwud | 1 | 461 |
| plan9 | xwud | 1 | 447 |
| minix | xwud | 1 | 426 |
| freebsd | xwud | 1 | 359 |
| php | xwud | 1 | 313 |