osgcomputeshaders: 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/osgcomputeshaders - from package: openscenegraph

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

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