How to copy one file from USB drive to a folder in Raspberry Pi 4
I will use "aidexinkong.jpeg" as a file and the folder "img" as a target.
- Load the file to a USB drive from a PC, insert the drve to a USB socket in Raspberry Pi 4
- Turn on Raspberry Pi 4




- Click OK on "Open in File Manager" with "Removable medium is inserted"

- You get file names listed in /media/pi/USB DISK

- Click on the file you want to copy, type control c
- Click yellow folder on top left corner near the globe, you will get /home/pi


- Right click on rpi-rgb-led-matrix
you wll get:
click on open, you will get:
- Right click on img folder:

- You will get:
10. Click on open:
- You will get the following files in the folder, then type control v, your file from USB drive will be copied to this folder

- (Alternatively, if you haven't type control c in "USB DISK" folder, go back to the USB DISK folder, click on the file you would like to copy, type control c; then goto img folder, type control v, the file will be copied to img folder)
- (Alternatively, you could click on and hold the file in USB DISK folder, drag to the img folder and release your mouse, the file will be copied to img folder)