caterm: 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/caterm - from package: aterm-ml

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

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