Bash Shell Scripting- Shell Script to send Automatic Mail Alert when RAM Memory gets Low

The video tutorial explains how to create a shell script to monitor RAM usage and send automatic email alerts when RAM is low. It covers using the 'free' command to check RAM size, setting a threshold, and employing grep and AWK commands to extract necessary data. The tutorial also demonstrates writing a shell script with a shebang line, setting a threshold, and using an if condition to trigger alerts. Finally, it shows how to automate the script using crontab for regular monitoring and discusses potential applications beyond RAM monitoring.

What happens if the free RAM size is less than the threshold limit?

What should be included in the mail command to send alerts?

How can you schedule the shell script to run automatically?