I am currently using Ubuntu 14.04 on my very low end computer (it has pentium 4 2.8 GHz, with 1 Gb ram and 40 Gb HDD). The problem is that it gets really slow every now and then, though it is much smoother than Windows! However, am looking for something more buttery to use.
I have spent a lot of time (since I am new to Linux) in installing apps such as Red Eclipse, Google Chrome, uTorrent and many more into my current OS.
I have heard that Lubuntu would be the best choice for me, and have confirmed that with my own research on Google, as I would be using it for low end gaming, listening to music, web surfing, online gaming (Miniclip), movies, torrenting, some programming and some photo and light video editing.
How can I change from Linux Ubuntu to Linux Lubuntu without losing any data? Will my currently installed apps work on Linux Lubuntu as well?
Some additional questions:
How can I make Lubuntu look better and really good to the eye after I have installed it?
Are the terminal commands almost the same in Lubuntu as they are in Ubuntu?
How would I connect my PPPoE connection in Lubuntu?
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during installation process because Lubuntu has its own set of packages to run but as stated in answer below you will lose data in/
only if you backup some of your data. – JoKeR May 14 '15 at 23:03