Check the example code examples provided in the S32K1xx Series Cookbook. It will be a good reference for your project. We also provide examples in the software packages if you use any of our available software (RTD or SDK).
Please clarify what you mean by "there is any shell in the nxps32k148 board".
"There is any shell in the nxps32k148 board" - I'm new to the embedded. I searched lot of site about linux os using in the microcontroller. so, by default any linux os(busy box) installed in the MCU.
S32K1 does not have support for this topic. For other MCUs, there are options like uCLinux by EmCraft. Check the following link. It might be related to what you are looking for.
