booish: 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/booish - from package: boo

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

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