It works. Now i am able flash the software in esp32.
Thank you so much for the immediate solution.

Hi , I am working on flashing ESP32 SDK IN UBUNTU. I am following these steps in the document -https://docs.espressif.com/projects/esp-idf/en/stable/esp32/get-started/linux-macos-setup.html#get-started-start-a-project While executing these commands in terminal cd ~/esp/hello_world idf.py set-target ...