sdcc-shc08: 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 CentOS possible default full paths are:

/usr/bin/sdcc-shc08 - from package: sdcc

You may install the required package with command yum install {package}

Error in other languages:
sdcc-shc08: bevel nie gevind nie
sdcc-shc08: comandă negăsită
sdcc-shc08: comando não encontrado
sdcc-shc08: commande introuvable
sdcc-shc08: command not found
sdcc-shc08: käsku ei ole
sdcc-shc08: không tìm thấy lệnh
sdcc-shc08: komanda nerasta
sdcc-shc08: Kommando nicht gefunden.
sdcc-shc08: kommandot finns inte
sdcc-shc08: komut yok
sdcc-shc08: nie znaleziono polecenia
sdcc-shc08: níor aimsíodh an t-ordú
sdcc-shc08: no se encontró la orden
sdcc-shc08: no s'ha trobat l'ordre
sdcc-shc08: opdracht niet gevonden
sdcc-shc08: parancs nem található
sdcc-shc08: perintah tidak ditemukan
sdcc-shc08: príkaz nenájdený
sdcc-shc08: příkaz nenalezen
sdcc-shc08: команда не найдена
sdcc-shc08: командата не е открита
sdcc-shc08: 命令找不到
sdcc-shc08: コマンドが見つかりません