Similar to ProFTPD

Upstart (software)

Uptime

Uuencoding

Vi (text editor)

W (Unix)

Wait (command)

Wall (Unix)

Wc (Unix)

Webmin

Whoami

Write (Unix)

Xargs

Yes (Unix)

Sun ONE

Shell (computing)

Stunnel

Neko (software)

Patch (Unix)

Byobu (software)

Redirection (computing)

LibreOffice

Less (Unix)

FTP server