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diff --git a/1088/CH4/EX4.5/Example5.sce b/1088/CH4/EX4.5/Example5.sce
new file mode 100755
index 000000000..c172b80d7
--- /dev/null
+++ b/1088/CH4/EX4.5/Example5.sce
@@ -0,0 +1,61 @@
+clear
+mode(-1)
+rmdir('pis')
+pwd
+cwd=ans
+clc
+
+printf("Example 5    :               Show the method of  removing a directory\n named pis(after creating a directory named pis) \n \t\tand surf to the same directory \n")
+disp("****************************************************************")
+disp("Answer    :   ")
+disp("INSTRUCTIONS   : ")
+printf("\nHere all instructions are preloaded in the form of a demo\nPRESS ENTER AFTER EACH COMMAND to see its RESULT\nPRESS ENTER AFTER EACH RESULT TO GO TO THE NEXT COMMAND\n")
+halt('.............Press [ENTER] to continue.....')
+halt("")
+clc
+printf("\tUNIX SHELL SIMULATOR(DEMO VERSION WITH PRELOADED COMMANDS)\n\n\n")
+
+printf("\n\n$ mkdir  pis                        #To make a directory named pis\n\n")
+halt("........# (hit [ENTER] )")
+clc(1)
+mkdir('pis')
+
+printf("\n\n\n$ cd pis;pwd                      #To go to the  directory named pis and open it\n\n")
+halt("........# (hit [ENTER] )")
+clc(1)
+cd 'pis'
+xt=ans
+printf(" %s \n",xt)
+halt("........# (hit [ENTER] )")
+
+printf("\n\n\n$ cd  ..                      #To go to the parent directory\n\n")
+halt("........# (hit [ENTER] )")
+clc(1)
+cd(cwd)
+xt=ans
+
+printf("\n\n\n$ pwd                             \n\n")
+halt("........# (hit [ENTER] for result)")
+clc(1)
+printf(" %s \n",xt)
+halt("........# (hit [ENTER] for next instruction)")
+
+
+printf("\n\n\n$ rmdir pis                         #To make a directory named pis     \n\n")
+halt("........# (hit [ENTER] )")
+clc(1)
+rmdir pis
+
+printf("\n\n\n$ ls  pis                      #To go to the current directory\n\n")
+halt("........# (hit [ENTER] )")
+clc(1)
+ls pis
+printf(" pis : No such file or directory \n ")
+
+printf("\n\n\n$ exit        #To exit the current simulation terminal and return to Scilab console\n\n")
+halt("........# (hit [ENTER] )")
+cd(cwd)
+//clc()
+
+printf("\n\n\t\t\tBACK TO SCILAB CONSOLE...\nLoading initial environment')
+sleep(1000)