What is the difference between useradd and adduser commands in Linux? Which one is better and which one should you be using. This article answers all these questions.| Linux Handbook
Knowing the memory utilization is an important part of system maintenance. You’ll learn various commands you can use to check memory usage in Linux.| Linux Handbook
You may want to know who logged on your system and from where. You should also see bad login attempts on your system. Learn how to see login history in Linux.| Linux Handbook
As a sysadmin, you'll often need to list all the users on your Linux system. Learn how to list all users in the Linux command line.| Linux Handbook
One of the special device files in Linux, /dev/zero is used for creating files filled with zeroes.| Linux Handbook
Both /dev/random and /dev/urandom are used for generating random numbers in Linux. Learn more about them.| Linux Handbook
This quick tip for beginners demonstrates how to copy a directory in Linux using the cp command. You'll also learn a few additional tips around copying directory.| Linux Handbook
Here are multiple ways you can get CPU information in Linux command line. You can get processor information like the number of real cores, logical cores, hyperthreading, CPU frequency etc.| Linux Handbook
/dev/null is the blackhole equivalent of Linux systems. What is it and why it used?| Linux Handbook
Learn how to delete files and remove directories with rm command in Linux.| Linux Handbook
Linux file permissions explained in simpler terms. Also learn how to change the file permissions and ownership in Linux in this detailed beginner's guide.| Linux Handbook
Learn to use cd command to its full potential in Linux with these practical examples.| Linux Handbook