Shell program Exercises

#!/bin/sh notifications are explained by bash. If you execute the shell command date in the Echo statement, you need to precede the date command with the symbol &;

You cannot execute the file immediately after editing the file, and you need to set executable permissions for the file. chmod +x Date

Another way to do date is to pass it as a parameter to the shell command:

Method 3

In order to compile and execute the shell program in any directory, we can add the directory where the program is located to the environment variable.

To add a $ symbol when referencing a variable;

When you execute many commands together, you can write a file

Shell program Exercises