DicomCleaner: 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/DicomCleaner - from package: pixelmed-webstart-apps

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

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