pal: 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/pal - from package: pal

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

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