Getting Started Raspberry Pi 4 | Part 2 | Know Linux Image   In part1: we have installed Raspberry PI OS.  https://embeddedcraft.blogspot.com/2022/09/getting-started-raspberry-pi-1.html Once Linux OS is booted and running properly, let us review OS image.  We need to run following command and keep the output. this will be useful during development process... pi@raspberrypi:~ $ uname -a Linux raspberrypi 5.10.17-v7+ #1414 SMP Fri Apr 30 13:18:35 BST 2021 armv7l GNU/Linux pi@raspberrypi:~ $  pi@raspberrypi:~ $ df -h Filesystem      Size  Used Avail Use% Mounted on /dev/root        29G  6.7G   22G  24% / devtmpfs        430M     0  430M   0% /dev tmpfs           463M     0  463M   0% /dev/shm tmpfs           463M  6.3M  456M   2% /run tmpfs  ...

Linux commands - Understand Linux Image running in Board (Part 1)  Before knowing anything know what is running running in Board. if Linux Operating system is running here are the command which can tell us key OS parameters required during programming.  Command #1: Which OS is running on our board  pi@raspberrypi:~ $ uname -a                                                                                                         Linux raspberrypi 5.10.17-v7+ #1414 SMP Fri Apr 30 13:18:35 BST 2021 armv7l GNU/Linux Let us know what we understand   from the outcome of this command.  Linux : Name of Operating System Kernel raspberrypi: Host name 5.10.17-v7+ : Linux release version #1414 SMP...