diff --git a/cmd/10_disk.pws b/cmd/10_disk.pws
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+# Info systeme 
+Get-WmiObject Win32_ComputerSystem | Select-Object Manufacturer, Model, TotalPhysicalMemory
+
+# Lister les espaces disques
+Get-Volume | Format-Table -AutoSize
+
+# lister les bases en cours d'exécution
+net start | find /i "OracleService"
+
+# lister les listener en cours d'exécution
+net start | find /i "TNSListener"
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