Câu 49: LFCS: Linux Foundation Certified System Administrator

Which of the following commands will NOT update the modify timestamp on the file /tmp/myfile.txt?

1. A. file /tmp/myfile.txt — đáp án hiện tại
2. B. echo "Hello" >/tmp/myfile.txt
3. C. sed -ie "s/1/2/" /tmp/myfile.txt
4. D. echo -n "Hello" >>/tmp/myfile.txt
5. E. touch /tmp/myfile.txt