convert2mtz: 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 CentOS possible default full paths are:

/usr/bin/convert2mtz - from package: clipper

You may install the required package with command yum install {package}

Error in other languages:
convert2mtz: bevel nie gevind nie
convert2mtz: comandă negăsită
convert2mtz: comando não encontrado
convert2mtz: commande introuvable
convert2mtz: command not found
convert2mtz: käsku ei ole
convert2mtz: không tìm thấy lệnh
convert2mtz: komanda nerasta
convert2mtz: Kommando nicht gefunden.
convert2mtz: kommandot finns inte
convert2mtz: komut yok
convert2mtz: nie znaleziono polecenia
convert2mtz: níor aimsíodh an t-ordú
convert2mtz: no se encontró la orden
convert2mtz: no s'ha trobat l'ordre
convert2mtz: opdracht niet gevonden
convert2mtz: parancs nem található
convert2mtz: perintah tidak ditemukan
convert2mtz: príkaz nenájdený
convert2mtz: příkaz nenalezen
convert2mtz: команда не найдена
convert2mtz: командата не е открита
convert2mtz: 命令找不到
convert2mtz: コマンドが見つかりません