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 test$3.$ This directory is right under your home directory.

$3)$ Copy the content of a file named report$1$ to another called report$1$lc$.$ Convert the content of report$1$ to lower case as you copy it to report$1$lc$.$

$4)$ 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 $\backslash (\backslash$mathbf$\{$C t r l$\}+\backslash$mathrm$\{$d$\}\backslash )$ is pressed at the keyboard.

Sample run of the script: