linux commands

Changing the group of a user is quite easy and simple task, but it is not known to every user. In this topic we will tell you the commands through which not only you can add new user to a group but also change existing user's group too. The basic commands used are "useradd" and "usermod"...

To display CPU information like number of CPUs, cores, threads, NUMA nodes, sockets, information about CPU caches, model, CPU family and stepping and their speed on Linux operating systems. We can get information about cpu using these commands lscpu, /proc/cpuinfo and lstopo (hwloc). These will...

Linux is one of the most popular open source operating system and comes with huge set of commands. To check the total available space of the physical memory and swap memory we can use “free” command utility in Linux. The Linux “free” command gives information about total used and available space...