sdlBasic: command not found

Have You tried accessing the binary with the full path?

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/sdlBasic - from package: sdlbasic

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