USING LINUX BASH SCRIPT:

Write a shell script that displays the following menu items. Make sure users can continue running the script until they want to exit.

PLEASE use commands that when I enter the NUMBER:

1 - It Display list of files and directories in their current directory.

2 - It Display a long list of files and directories in their current directory.

3 - It Display list of 10 lines of the log file messages(var/log/messages).

4 - It Display the content of this script.

5 - It Display the content of this script in reverse order.

6 - It Exit program.

PS: Last Help I had When I ran the script it give error Like:

syntax error near unexpected token ')'

I would appreciate the help