#!/bin/bash

task 0 create a switch that switches current user to user betty

1script that points the effective username of the current user

2 script prints all the group the current user is part of

3script that changes the owner of the file to the user betty

4-script that creates emptyfile called hello

5script that add executes permission to the owner of the file hello

6script that adds execute permission to the owner the group owner and read permissions to other user of the file hello

7script that adds excute persmission to the owner ,the group owner and user of the file hello

8 script that sets permissions to the file hello as follows

a owner:no permission at all

group:no permission at all

other users:all permissions

9scripts that sets mode of the file hello tot this:

-rwxr -x-wx 1 julien julien 23 sep 20 14:25 hello

nb:file hello will be in the working directory

10 write a script that sets the mode of the file hello same as olleh mode

nb:both files will be in cureent working directory

11:create a script that adds execution permission to all subdirectories of the current directory for the owner,group owner andall other users.Regular files should not be changed

12 create a script that creates a directory called my-dir with permissions 751 in working directory

13 create ascript that changes the group owner to school for the file hello

14 write a script that changes the owner to vincent and group owner to staff for all the files and directories in the working directory

15 write a scrip that changes the owner and group owner of _hello vincent and staff respectively.both files are in current working directory

16 write a scriptthat changes the owner of the file hello to betty only if it is used by the user gullaume

17 write a script that will play the Star WarsIV episode in the terminal This test is based on shell directions