In Module 3, you learned some advanced concepts such as concatenating files and redirecting output. Module 4 covers even more sophisticated commands and concepts, such as manipulating running programs and directory trees.
This module assumes that you have already taken Module 3, so if you haven't done so already, we encourage you to go through it so that everything in Module 4 makes sense.
This module assumes that you have already taken Module 3, so if you haven't done so already, we encourage you to go through it so that everything in Module 4 makes sense.
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