linux commands

  1. bhawanisingh

    How to add/change a user to a group in Linux operating system ?

    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"...
  2. bhawanisingh

    How to check CPU and Processor details on CentOS ?

    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...
  3. bhawanisingh

    Linux Free Command and it's usage

    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...