Several commands report on how much memory is installed and being used on Linux systems. You can be deluged with details or get a quick and easy answer, depending on the command you use.

Memory management on Linux systems is complicated. Seeing high usage doesn’t necessarily mean there’s a problem. There are other things you should also consider.

For years, there's been a security problem with how the GNU C Library dealt with single-linked-lists. Now, Check Point has released a patch, which will fix the problem once and for all.

Unix/Linux computers use “caching” to improve disk I/O. In a disk caching design a portion of main memory is used to store temporary copies of the blocks of data that are permanently stored on ...

In my recent exploration of Microsoft’s Azure Linux 3, I was impressed by its efficient RAM usage — just 115MB upon booting. This sparked my curiosity about the RAM consumption of various ...