kwdreg: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/bin/kwdreg - from package: freewnn-kserver

You may install the required package with command apt-get install {package}

Error in other languages:
kwdreg: bevel nie gevind nie
kwdreg: comandă negăsită
kwdreg: comando não encontrado
kwdreg: commande introuvable
kwdreg: command not found
kwdreg: käsku ei ole
kwdreg: không tìm thấy lệnh
kwdreg: komanda nerasta
kwdreg: Kommando nicht gefunden.
kwdreg: kommandot finns inte
kwdreg: komut yok
kwdreg: nie znaleziono polecenia
kwdreg: níor aimsíodh an t-ordú
kwdreg: no se encontró la orden
kwdreg: no s'ha trobat l'ordre
kwdreg: opdracht niet gevonden
kwdreg: parancs nem található
kwdreg: perintah tidak ditemukan
kwdreg: príkaz nenájdený
kwdreg: příkaz nenalezen
kwdreg: команда не найдена
kwdreg: командата не е открита
kwdreg: 命令找不到
kwdreg: コマンドが見つかりません