I will help you to use Google API to convert speech to text, then execute recognized text (I will not verify if these texts are valid command in linux or not).
Relevant Skills and Experience
text-to-speech, Google Speech Recognition API, raspberry pi.
I also implement a function to convert text-to-speech for you. Moreover, I will show you how to install it on raspberry pi
Proposed Milestones
₹11111 INR - speech-to-text, execute commands, text-to-speech