gbsinfo: 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/gbsinfo - from package: gbsplay

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

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