System requirements for ubuntu 12.04(Wil it run on 512MB RAM?)

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http://askubuntu.com – I have a Fujitsu Siemens Amilo D 1840 laptop and i was wondering will ubuntu 12.04 run norally, once installed with wubi. I have a Intel Pentium 4 3.02 Ghz processor and 512 MB RAM, as mentioned in the title. P.S. Excuse me if my english is bad, but I'm from Bulgaria (HowTos)