To answer this question you will learn to:
Write a loop that applies one or more commands separately to each file in a set of files.
Trace the values taken on by a loop variable during execution of the loop.
Explain the difference between a variable’s name and its value.
Explain why spaces and some punctuation characters shouldn’t be used in filenames.
Save the output from ls to a variable and refer to it in a loop.
Demonstrate how to see what commands have recently been executed.
Re-run recently executed commands without re-typing them.
Interactive