This question already has an answer here:
How much swap space should I have? I have a 500GB HDD and 6GB RAM.
- Release 12.04 (precise) 64-bit
- Kernel Linux 3.8.0-34-generic
- GNOME 3.4.2
- Memory: 5.7 GiB
- Processor: Intel® Core™ i3-3227U CPU @ 1.90GHz × 4
I just want to run Steam games smoothly.