I am trying to run geant4 on my ubuntu virtual machine however it does not want to cooperate. everything I do goes wrong. the Cmake compilation doesn't work even when I open the terminal from the file itself it says the directory doesn't have so and so file when the directory does have so and so file. the when I want to create a folder using the mkdir command it says permission denied when I am the one who created the virtual machine who do I need to get permission from. I am not familiar with ubuntu or linux in general, I have always been a windows user and this is my first exposure to linux. please I need someone to help me through this every tutorial I use seems the get me entangled deeper into this web of confusion.
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Where are you trying to create a new directory? Can you paste the output along with the Ubuntu version you're using? – Arjun K Shibu Mar 29 '23 at 18:04
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Some apps and commands require you to be root. – David Mar 29 '23 at 18:21