2. Write a simple single thread CSC4420 shell, i.e., no concurrent commands, to support at least the following built-in commands: o prompt can set to any string you input, in addition to the current history event number, i.e, %h as in csh; o url: list the course web site o hour: list class times room: list classroom location desp: list the description of this course o text: list the textbook ref: list the reference books prof: list the professor's name o pol professor's office location poh : professor's office hours opma : professor's email address o ta list the TA's name o tol: TA's office location o toh: TA's office hours o tma: TA's email address history list history of events up to the number you set help list all the available commands • exit or quit : exit CSC4420 shell 0 0

Files are organized according to tracks, sectors,  and. Cylinders.  The concentric rings on the platter are called ____. a) sectors b) cylinders c) horseshoes d) tracks

Now we have two more features that Microhard asked us to implement in the last minute and they are Double Space and Fill As all of our previous settings, they will be included in the first line of the input.txt file where it will look something like this: 60;right;left;true;true;output.txt;. Both these settings are boolean values which will indicate weather a document uses fill / double space. The first boolean statement within the line will indicate weather the document contains the fill settings or not, the second is for double spaced. By fill we mean filling up a line in the output before moving onto the next. For example, lets say the max width is 10 and the current line already has 5 characters. The next word that we are trying to fit is 10 characters long, we can only fit 3 characters of that word before moving the rest into the next line. ` Based on the given example, this line: Willy Strawberry Would become: Willy Str- berry - Double spaced means that between each line there…

Please write this code in one file and execute the same output. Make sure to show the full code and output in the terminal.