Write a command to rename all files in your entire system


Question: I need help with the given Unix questions. I have my answer to them but they are wrong. Please give an explanation for your solution.

Part 1: Write a command to rename all files in your entire system named temp.old to New

MY ANSWER: $cat > Temp.old New

Part 2: Count the number of lines in file F1 that has the word unix (Not case sensitive)

MY ANSWER: $grep -s unix F1

Part 3: Command to remove all occurrences of the word unix (Not case sensitive) from F1

Please show me all the working and provide the answer.

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Operating System: Write a command to rename all files in your entire system
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