System Administration Shell Scripts: exercises sheet 2 Exercise 1: Write a shell script that displays the contents of the directories existing in a directory given as argument (use the for loop) Exercice 2: Write a shell script that displays the contents of subdirectories of the directories that are given as arguments. The script should be called with any number of parameters. Exercice 3: Write a shell script that displays the nth line of a file(you can use head and tail). The integer n and the input file name are given by the user in response to the request of the script (use the command read). Try to do all possible tests (file exists or not etc...) Exercise 4: Write a shell script that give a variable x the following content "School man women fish dog cat sheep" and then print each word in a separate line on the screen (use the for loop). Exercise 5: Propose a shell script that displays the number of files in the present working directory.

Create a program named FileComparison that compares two files. First, use a text editor such as Notepad to save your favorite movie quote. Next, copy the file contents, and paste them into a word-processing program such as Word. Then, write the file-comparison application that displays the sizes of the two files as well as the ratio of their sizes to each other. To discover a files size, you can create a System. 10. Filelnfo object using statements such as the following, where FILE_NAME is a string that contains the name of the file, and size has been declared as an integer: FileInfo fileInfo = new FileInfo(FILE_NAME); size = fileInfo.Length;

In Chapter 11, you created the most recent version of the MarshallsRevenue program, which prompts the user for customer data for scheduled mural painting. Now, save all the entered data to a file that is closed when data entry is complete and then reopened and read in, allowing the user to view lists of customer orders for mural types.

(Data processing) Write a C++ program that reads the file created in Exercise 4, permits the user to change the hourly wage or years for any employee, and creates a new updated file.