In this video tutorial I've explained you about SPIFFS(SPI Flash File System), I've taken one example code and explained you about how it is working with ESP-IDF using Espressif IDE.
amazon India link to buy ESP32 Development Board: https://amzn.to/3yquJg1
amazon India link to buy different types of ESP32 Board: https://amzn.to/3yRZ4W2
FB page : / embedotronics
#ESP32
#ESPIDF
#EspressifIDE