Write a c$++11$ code with header file and cpp file. Write $1$ abstract class named file and $3$ derived classes:directory, soft linked file and a regular file. It will work like a operating system shell. when user write ls it will lists the contents of the current directory. When user write cp$,$ it will Copies the source file to the destination file. When user write cat, it will types the file contents on the screen. myshell

$>1s$

D$.,$ Dec $25,00$:$42$

$>$ mkdir myDir

$>1s$

D$.,$ Dec $25,00$:$42$

D myDir $,$ Dec $25,00$:$44$

$>$ cd myDir

$>1s$

D$.,$ Dec $25,00$:$44$

D$..,$ Dec $25,00$:$42$

$>c\frac{p}{e}t\frac{c}{S}$omeFile.

$>1s$

D$.,$ Dec $25,00$:$44$

D$..,$ Dec $25,00$:$42$

F SomeFile Dec $2500$:$4525345$Bytes