Linux sees only 1/2 of my RAM?
41545
Why does Ubuntu only show 3GB of RAM?
68196
Measuring RAM usage of a program
118870
how to get graphics card memory info? windows and linux shows different value
116151
Warning when available RAM approaches zero
100674
How does the kernel prevent a malicious program from reading all of physical RAM?
151313
why is some of my swap space being used, when I still have unused RAM?
93420
Is Ubuntu 32-bit only for systems with "less than 2GB RAM"?
79392
Half of installed RAM is hardware reserved
157084
Linux Allocator Does Not Release Small Chunks of Memory
21703
Installed RAM 20 GB (16 GB usable)
65688
How to find the RAM type in command prompt?
110639
8 GB RAM installed, only 7.5 GB usable. Windows 7 64-bit
152866
8.00GB RAM (3.22GB usable) in Windows 7 x64
133864
New 16GB of RAM installed yet I see 15.3 on my system. Why?
39480
Installed memory 4GB but only 1.93 GB is usable shows in system properties dialog?
139358
Correctly determining memory usage in Linux
20129
How much ram is being used on my laptop?