The correct answer is: D. cat
A filter command is a command that takes input from
48.3 47.8C117.2 448 288 448 288 448s170.8 0 213.4-11.5c23.5-6.3 42-24.2 48.3-47.8 11.4-42.9 11.4-132.3 11.4-132.3s0-89.4-11.4-132.3zm-317.5 213.5V175.2l142.7 81.2-142.7 81.2z"/> Subscribe on YouTubesort sorts the lines of a file in alphabetical or numerical order.
wc counts the number of lines, words, and characters in a file.
grep searches a file for lines that match a regular expression.
cat concatenates files or standard input and prints them to standard output.
cat is not a filter command because it does not produce output based on any criteria. It simply prints the contents of a file or standard input to standard output.