Toorox Review

Toorox is a Linux Live-DVD based on Gentoo which uses KNOPPIX technology in booting. While booting, all necessary drivers will be included automatically (lshwd). It comes with lots of useful applications including system configuration tools, easy package management, and proprietary code installers. It compiles and install software from Gentoo sources. Toorox installation on your computer begin as a binary installation with all its advantages, such as fast, easy, and ready at boot, but subsequent package installation compiles source packages.

MoonOS - A feel of Mac OS X in Linux

MoonOS is a lightweight Linux distribution which uses the Enlightenment window manager and is based on Ubuntu/Debian, having a touch of the Mac's OS X.
According to MoonOS' official website, the focus of Moon is speed, low memory use, and attractive looks:
MoonOS' download is sizable, weighing in at 832MB, but the system requirements are very basic:

Understanding VIM : Beginner's Tutorial-3

In the previous tut.,  we have learned copying/pasting/searching within the file. Now, we are going to take a step further in the direction of Vim editor mastery.
While editing a file, we may need to number the lines with in the file, most probably in case of a program, may be a C program. We can achieve this by this command. (Note that we are in last line mode.)

:set number 

or its abbreviation:

:set nu 

Install & create QR code.

QR code stands for Quick Response code which is a 2D bar code, readable by dedicated QR barcode readers and camera phones. The code consists of black modules arranged in a square pattern on a white background.
The information encoded can be text, URL or other data. Read more here.

QR codes can be created in Linux using Qrencode.