Question: I have AAO110 (512ram, atom 270N)
What is best version of Ubuntu, if i need just web? UNR 10.04 was almost fine, but i wonder if there are better options now.

browser, blue-tooth, WiFi, long battery, no extra elements on screen (e.g. not like in Unity) while browser opened

Answer: 
[Truecrypt](http://www.truecrypt.org/) is probably your best choice, though you'll need to be able to install the software on any computer you want to use.

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**Update** [since 2014](https://opencryptoaudit.org/reports/TrueCrypt_Phase_II_NCC_OCAP_final.pdf), from [TrueCrypt site](http://truecrypt.sourceforge.net/):

> 
> **WARNING: Using TrueCrypt is not secure as it may contain unfixed security issues**
> 
> 
> This page exists only to help migrate existing data encrypted by TrueCrypt.  
> 
> The development of TrueCrypt was ended in 5/2014 after Microsoft terminated support of Windows XP.
> 
> 
>
I would suggest [Kruptos 2 Pro encryption](https://kruptos2.co.uk) software if you want to use your files on Windows, Mac OS and Android. I would suggest Kruptos 2 Pro is best fit along with any cloud folder integration. Kruptos does support USB drive as well. You can use simply right click context menu.