Linux Commands

In this tutorial, I go through the basics of using the date command on a Linux-based distribution. This command will come in handy whenever you need date and time information in your bash script or straight into the terminal. Read More...

In this tutorial, you will learn how to encode or decode data using base64 on Linux. Base64 is used for encoding data for transit or storage. As one of the core utilities on Linux this tool is always available. Read More...

This tutorial will explain how to use the less command on a Linux operating system. The less command allows you to display the content of a file or output in smaller parts. This command is particularly useful when viewing large files with hundreds of lines of text. Read More...

In this tutorial, we will show you how to use the gpasswd command on a Linux operating system. You can use this command to alter a group's settings, such as the password, members, and administrators. It is very useful when handling multiple groups. Read More...

In this guide, I will go through everything you need to know to use the groupdel command. This command enables you to remove specific groups from a Linux operating system. It is very useful when cleaning up unused groups. Read More...

In this tutorial, we will cover the whoami command that is available on Linux systems. This command is short for who am I and is perfect for identifying the user that invokes the command. It is a simple but very useful command. Read More...

This guide will take you through the basics of using the sudo command on a Linux-based distribution. The sudo command is instrumental in running commands requiring superuser or root permissions. Therefore, it is likely you will need to use this command. Read More...

This tutorial takes you through all the basics of the id command on Linux. The id command is helpful in finding a user's group ids or the user's id. You can use various options to alter the command's behavior to get the information you require. Read More...

In this tutorial, we take you through the basics of using the last command on a Linux distribution. This command allows you to search the history of users' login behavior. It is incredibly useful for investigating login issues, user behavior, and more. Read More...

This tutorial shows you how to use the groupadd command to add new user groups to a Linux operating system. We also take you through some of the different options you can use with the command, such as specifying a GID. Read More...

This tutorial will teach you how to use the usermod command to change a user's settings. For example, you can use the command to change settings such as the groups, expiry date, login name, home directory, and more. Read More...

In this tutorial, we will show how you can remove a user on a Linux operating system using the userdel command. Removing dormant users saves on disk space and helps reduce possible security issues. Read More...

This tutorial will show you how to use the df command on a Linux-based distribution. The df command is short for disk filesystem and is used to check disk space usage of file systems mounted to a Linux OS. Read More...

This tutorial takes you through the basics of using the chage command on a Linux distribution. The chage command is perfect for viewing and editing a user's password expiry information. Read More...

In this tutorial, you will learn how to use the sleep command on a Linux system. Sleep allows you to pause the execution of the session. It is useful when you need to pause a script before it runs the next command. Read More...

Learn how to use the kill command on your Linux system. This tool is used to terminate a process currently running on the system. By default, it will attempt to stop a process gracefully. However, you can override this behavior. Read More...

In this tutorial, we cover the basics of using the rmdir command on a Linux-based operating system. It is perfect for removing only empty directories from the file system. Read More...

In this tutorial, we cover the basics of using the scp command on a Unix or Linux-based distribution. It is an excellent tool for securely transferring files to or from a remote system. Read More...

In this tutorial, you will learn how to use the head command on the Linux operating system. Using this tool, you can easily grab lines from the top of a file. It even has support to use bytes instead of lines. Read More...

This guide will show you how to use the uptime command on Linux. This tool shows you how long your Linux system has been running. In addition, the uptime tool can show you the current time, active users, and load average. Read More...