How to List Groups.
How To List Groups. This tutorial explains how to show all groups a user is a member of. We will also explain how to list all members of a group....
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How to Check for Open Ports
How To Check For Open Ports This article describes several approaches to find out what ports are opened to the outside on your Linux system. Whether you are troubleshooting network...
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How to Check the Kernel Version in Linux
How To Check The Kernel Version In Linux In this tutorial, we’ll show you several different ways to find out what version of Linux kernel is running on your system....
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How to understand what is a kernel
How To Understand What Is A Kernel The kernel is a core component of an operating system and serves as the main interface between the computer’s physical hardware and the...
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How to understand Bash Shebang.
How To Understand Bash Shebang. If you are learning Bash scripting by reading other people’s code you might have noticed that the first line in the scripts starts with the...
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How to Add a Directory to PATH in Linux
How To Add A Directory To PATH In Linux This article shows how to add directories to your $PATH in Linux systems. When you type a command on the command...
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How to use ps command.
How To Use Ps Command. This article explains how to use the ps command to list the currently running processes and display information about those processes. In Linux, a running...
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How to understand OSI.
OSI Model OSI stands for Open System Interconnection is a reference model that describes how information from a software application in one computer moves through a physical medium to the...
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How to understand TCP/IP protocol.
What is TCP? Transmission Control Protocol (TCP) is a communications standard that enables application programs and computing devices to exchange messages over a network. It is designed to send...
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How to use Locate Command.
How To Use Locate Command. In this article, we will explain how to use the locate command. One of the most common operations when working on Linux is to search...
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