Secure copy or SCP is a command-line utility that allows users to transfer files and directories securely from one machine to another over SSH protocol. SCP is handy as it is easy to use. Some of the features of using SCP to transfer files over remote hosts include: File and directory transfer gets implemented over […]

The lvm tool is used to create, manage, and visualize logical volumes, file systems, and snapshots in a system. In this tutorial, we will use the lvm tool to display detailed information of the logical volumes, volume groups, and snapshots and remove snapshots. Listing Snapshots Snapshots are created from logical volumes, and the logical volumes […]

There are multiple directories in Linux where the system stores data temporarily. These directories are larger than the home directory and do not get backed up. The “/tmp” directory is one of them. So, what is “/tmp” directory? The “/tmp” folder contains the files and data temporarily required by the operating system and other running […]

If you want to compare two files and decipher the difference, a command called “diff” is used. This guide is focused on providing you the usage of the “diff” command with various options to get the difference between two files. So, how does the “diff” command actually function? The “diff” command compares the two files […]

The xargs command is a command-line tool used to read data from standard input and later runs a command based on the standard input. It is a useful tool in file management, especially when used with other commands such as mkdir, grep, rm etc. In this tutorial, we are going to learn how to use […]

This tutorial offers an easy explanation of how to use Netcat to transfer files between devices. Netcat is a command-line network tool used to establish TCP/UDP connections and network analysis. Netcat features include: Outgoing and incoming connections, TCP or UDP, to or from any ports It can be used to open local ports Supports file […]

Time is a crucial factor in our daily lives and the technical side of things. Therefore, maintaining an accurate time between the Linux systems is an important factor. It allows you to accurately know when various accounts are logged, file changes, network packets, and other critical system logs. This can, in turn, be useful in […]

In Linux, a job refers to a process started and managed by the shell. That can be a single command, a long and complex shell command including pipes and redirections, an executable, or a script. Each job in Linux is managed by assigning a sequential job IP associated with a specific process. A key concept […]

In Linux systems, we constantly work with executable files either in the terminal or graphical applications. Executables contain shared libraries, which are files that are shared and reused across programs. In windows, these are typically in the form of DDL files. In Linux, however, they are in the form of .o or .so files. This […]

Linux is a multi-user operating system. To keep the system functional and productive, proper user management is mandatory. For a system administrator, knowing all the users is necessary to manage users and permissions. This guide demonstrates how to list users in Linux. Listing users The system stores the list of users in specific files and […]