Question: Their grade will not affect your test grade but your lab and homewark assignments grades. For more details, review the document with the Grading Criteria

Their grade will not affect your test grade but your lab and homewark assignments grades. For more details, review the document with the Grading Criteria (distributed with the syllabus and available from Miscellaneous).
1) Display (in human readable format) the amount of free disk space on your local drive.
2) Display the disk usage in bytes of a directory named test3. This directory is right under your home directory.
3) Copy the content of a file named report1 to another called report1lc. Convert the content of report1 to lower case as you copy it to report1lc.
4) Display the list of processes currently running on your system.
5) Write a Perl script that reads a number from the keyboard and prints the number followed by "is even", or "is odd" depending on the value read in (notice that 0 is considered to be even). The script should keep reading values until \(\mathbf{C t r l}+\mathrm{d}\) is pressed at the keyboard.
Sample run of the script:
Their grade will not affect your test grade but

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