A systems administrator needs to append output of ls -lha /opt command to the contents of a test. txt file. Which of the following commands will accomplish this...

A systems administrator needs to append output of ls -lha /opt command to the contents of a test.
txt file. Which of the following commands will accomplish this?

A. ls -lha /opt > test.txt B. ls -lha /opt < test.txt C. ls -lha /opt >> test.txt D. ls -lha /opt << test.txt