Which of the following commands will display the last 30 lines of /var/log/bigd.log as well as new content as it is appended to the file by another process?
A. cut -30 -v /var/log/bigd.log
B. head -30 -e /var/log/bigd.log
C. tail -f -n 30 /var/log/bigd.log
D. tac -30 /var/log/bigd.log
E. cat -r -n 30 /var/log/bigd.log
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