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52. Given the following directory structure. You are currently in notes ekner public hn List the commands to do the following a. Using an absolute path change to the interfaces directory: b. Using a relative path chage to the public_htmi directory c. Open the file index.html in an editor to modify its content. d. Create a new directory under bin called scripts. 53. The factorial function (symbol: !) says to multiply a series of descending natural numbers Examples: 41 -4x 3 x2 x 1 24; 11. a. Write out two small pieces of code that would go in two separate files File 1: Name of file . This file should contain the function that can be called to calculate the factorial of any number passed into it and return the calculated value. This file should be the main progran that calls the function in the File 1 and prints out the factorial for 10 File 2: Name of file