amin: 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/amin - from package: orville-write

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

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