Introduction to Shell Scripting

In these videos I would be covering the basics of shell scripting.
The videos are split into 3 parts, Here is the 1st video



The topics covered in this tutorial are:


1. A simple hello world.
2. A script to add two numbers
3. A script to add two numbers passed as command line parameters.
4. Understanding the Exit status $?
5. Demonstrating through practical example: Check if a listener is up. If it is not then display a message that the listener is down.
6. Executing sql queries from shell script- In the example we check if the database is up or not.
7. Using cut, awk to find specific fields in an output.
8. How to read contents of a file line by line and evaluating each line for a specific string.
9. Using this for finding mountpoints above 90% used.
10. Sending attachments through emails.