Part $1$:

For this part, you will write a single line $($piped$)$ command to find the $10$ most frequently used words in a given text file.

You may have to use xargs, grep, sort, tr$,$ and several other commands to solve this problems. Note that this problem can be solved using a combination of multiple commands; but all these commands should be in a single line $($of any length$).$

For example,

sort ypages $>$ out

uniq out

is not a single line command. Whereas the following is a single line command.

sort ypages $|$ uniq

You should write a single line command for this problem.

While counting the frequency you should ignore these words: 'the', $\text{'}$an$\text{'},\text{'}$a$\text{'},\text{'}$of$\text{'},$ and 'and'. Do not use grep multiple times for this $($check $-$f otion$).$

Also, while comparing$/$matching the words ignore the difference in cases.

Use the file 'story.txt$\text{'}$ in the directory ~sxa$173731/3377.$ You can execute the following command to copy to your current directory.

$\text{'}$cp ~sxa$173731/3377/$story$.$txt $.\text{'}$