Bash Utility to rename all the Files in a Folder

I wanted to rename all the files in a folder - from the extension .jpeg to .jpg and was looking to automate as there were roughly more than 20 files :)

Grep With Whole Words

We will see how to extract the whole words in Linux using the famous grep command in this post, which needs a tweak in the way we execute it by passing a few additional arguments.

We will see how to use the built in Calendar utility in the Linux based Operating Systems.

We will see how to use the bc tool (Basic Calculator) in this post.

We will see how can use make use of the previous result (accumulated result) in the bc utility/tool in Linux.