DifOdometry-Datasets: 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/DifOdometry-Datasets - from package: mrpt-apps

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

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