Hi there, I've completed the Optional Online Test and when i clicked onto the link in LMS, i am not able to view the feedback, in fact it is blank. May i know what happened here? Thanks

Hi Michael, may I please check if this command echo 'fred cat' s a-z a-z is correct? As when i entered it in terminal it keeps coming back with error. i assumed there is a missing "sed" in the command? just wanted to check with you. Thanks...

Hi Michael, thanks for the explanation. Under what circumstances would we use dev null and dev stderr? For example (let's take assignment as an example here), if i just put "echo" in generating the outputs, why would we still need to use those dev...

Hi Michael, I extracted the below codes from lab4 and have put down the queries below (after long ). Apologies as I am still figuring out how to use more interactive editing style (at least with some colors?). bin bash get file name from c...

Hi Michael, may you please explain the difference between the usage of dev null and dev stderr that you covered in lectures? What is the purpose of using these?

Hi Michael, not sure if I missed something (apologies if i did) - has L5 been covered somewhere so far or we should self-study this lecture?

Hi everyone, just wonder if anyone can guide me on how to have vi vim work on windows powershell appropriately. I kept having issues saying it is not recognised (attached screenshot). i followed chatgpt instructions and it did not turn out well (