fsousaged: 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/sbin/fsousaged - from package: fso-usaged

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

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