The RP2040 is a 32-bit dual ARM Cortex-M0+ microcontroller integrated circuit by Raspberry Pi Foundation
It was released as part of the Raspberry Pi Pico board.
Install minicom. Then after connnecting the board via USB (you should see /dev/ttyACM0 appear) type:
minicom -o -D /dev/ttyACM0and you'll be connected to the board in read-evaluate-print loop or REPL mode. You can then get Python help with "help()", or minicom help with "Ctrl-a z".