Use Perl back-referencing/backtracking to find files in a directory matching the directory name

Using multiple versions of a program in Ubuntu

I always like to try new things out, sometimes even before they are actually available. For example, I have two different versions of Java installed, namely, 1.8 and 1.9. So how do I switch between your installed Java options? The tool called update-alternatives solves this issue like a pro.

Easy batch file rename using Thunar file manager

There are many resources on the web which give you commands to mass rename files, like sed or some script or whatever. For those who use Linux and are not so comfortable working with commands, mass file renaming using Thunar file manager is for you.

Need the classic location bar in Ubuntu?

The new UI in Ubuntu has its own pros and cons. If you are one of those who would like to always have the text-based location bar instead of the breadcrumbs bar in Nautilus file manager, read on to see how.

Use wget to store offline documentation

Most of the programmers or people who need documentation on their APIs should typically connect to the Internet. But what if you need the entire documentation offline? No worries, wget to the rescue.