1. First, prepare a picture file of the format jpg, named 003.jpg, and then prepare the TXT file that needs to be encrypted, named tina.txt. Place two files on a disk in the win7 computer. Here is an example of a G disk.
2. After doing the above preparations, press the win+R shortcut on the win7 computer keyboard to open the computer's running window, then type cmd and click Enter. At the open command prompt. In the window, enter the command copy 003.jpg/b + tina.txt/a tina.jpg (the specific command needs to be replaced according to the picture name and TXT file name). After the completion, click Enter to confirm, wait for the computer to run. can.
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