As Ubuntu users are advised that this OS require substantial memory. However, there are ways that can be done so that we can save computer memory using the Ubuntu OS. way is to reduce application startup in Ubuntu.
d26ubuntu.wordpress - Under ubuntu, ubuntu Once installed, several automatic startup application for easy user setup, but if we do not need these features, it's good we just switch off to save computer memory. comparisons that can be obtained is 12% of the memory space can be saved.
For me disabling the startup application with the way: go into the menu system-> preferences and select Startup Application.