OS Command Injection is a form of shell injection attack, mostly used for execution of unauthorized OS commands in the operating system (OS) to target the system (usually a web server) and degrade its performance. In this attack, the hacker aims to find and exploit some of the vulnerable application
Five tools to check memory usage on Linux are free, /proc/meminfo, vmstat, top and dmidecode. The difference between clock speed and memory access is increasing day by day. To keep our machines healthy, we want to check the memory usage of several processes and in Linux, we have five tools to do so.