Using Linux:

1) Create 4 files named "file1 pdf", "file2.pdf", "file3.pdf" and "file4 pdf inside a folder. Write a for loop to create another four files with the same names but with "txt" extension (filel.pdftxt, file2.pdftxt, file3.pdftxt and file4.pdf.txt). (hint: you should create txt file names by using the name of mentioned pdf files) 2) Given variable i initialized to 10, write a while loop that decrements i and ends when i equals 1. In the step where the value of i equals 3, print out the value of