How to Use env Command in Linux – Examples

The eject command in Linux is used to eject the removable media such as CD-ROM, DVD, floppy, USB storage device.

Comprehensive tutorial on the methods to use the dos2unix command in Linux and some bonus tips to convert the Windows Doc files to Linux/Unix supported files.

There is much functionality associated with zipinfo. Anytime you need to display the contents of a zip archive, use the zipinfo Linux command.

Ldd is a powerful command-line tool that allows users to view an executable file’s shared object dependencies. A library refers to one or more pre-compiled resources such as functions, subroutines, classes, or values. Each of these resources is combined to create libraries. In Linux, library files are commonly located in /lib or /usr/lib directories. How to Use LDD Command in Linux is explained in this article.

File management is very important in Linux/Unix distributions. In the Linux system, the most popular command is LSOF, abbreviated for List Of Open File. This command shows the information about the files opened on your system. The LSOF command provides information about the files that are opened by which process. In this article, how to use the LSOF command in Linux is explained.

Inxi is a free and open source system that can be used to create systematic hardware information in Linux PC. Thus, this article will guide you on how to properly use Inxi as a command line utility in Linux.

Hexdump, a program that's written in C language that is often used by developers and debuggers. This tool converts input files and data into a pleasant and readable format and will display the input data in hexadecimal format. This article will show a guide on how to use the Hexdump command in Linux.

This tutorial will explain how to download files using cURL, how to upload files using cURL, how to resume interrupted downloads or to use a proxy when downloading files among other tips.

Some Linux processes can run continuously and a command-line utility called "timeout" is used to halt it. It allows a certain command to run and terminate it at a designated time, which means an easier running of command for a certain time. Continue to read and learn more about “timeout”.

Sometimes we needed to remove the content of the file but still need the file, so we cannot just delete it. Linux operating system offers a command where you can do just that and even extend or reduce the file size. It’s called "truncate", and we’ll learn about it here.

Sometimes we need to store the command output into a file to use the output later for other purposes. `tee` command is used in Linux for writing any command output into one or more files. This command works like the shape of the capital alphabet 'T' that takes input from one source and can store the output in the multiple locations. How this command can be used in Linux is shown in this tutorial by using multiple examples.

Among the different concepts of an operating system, the most crucial one is access control. The access control policies ensure that no user is allowed to perform those activities for which he has not been granted any privileges. Fortunately, Linux provides us with a way of doing this, i.e., by making use of the “sudo” keyword before a command. In this article, how to use Sudo Command in Linux is explained.

In Linux, the time command is used to evaluate the processing time taken by different commands in their execution. It is mostly used for the testing of scripts and commands in Linux. You can also compare execution time of different scripts of the same functionality. This article explains what time command is and how to use it in Linux with different examples.

Many files or directories in Linux are being constantly accessed by processes of the system. If we want to know which processes are using which files, sockets, or directory we can use the fuser command. We can also kill the processes by identifying the process with the fuser command and the k flag. In this writeup, we have discussed the use of the fuser command in detail and also explain different flags which can be used with the fuser command.

The sync command is used in Linux to copy the data from the volatile memory which is in the form of cache to the permanent storage memory. The system keeps all the data in the temporary memory to optimize the performance. It is helpful but in case of unexpected shutdown of the system, there is a great risk of losing the important data. To avoid this risk, it is recommended to sync the useful data from the temporary memory to the permanent memory. In this article, we have discussed the usage of the sync comm

Linux by default provides the feature of sending an email using the mail command through its terminal. The mail command is not used to send emails only but also to view and receive emails from the recipients. This article explains how to install and use mail utility on Linux. Moreover, the usage of the mail command in Debian and Ubuntu-based Linux distributions is also discussed in this article.

The comm command is used in Linux to compare different files; this command compares each and every line of the files and displays the unique lines and common lines of the files in separate columns. In this article, we have discussed the Linux comm command and explained it along with its various options briefly with the help of examples.

The "chmod" command in Linux enables you to control the access of scripts, directories, and your system files. This command is utilized to change the Linux file permissions, which seems a complicated method but is simple once you understand its functionality. Before discussing the chmod command, let’s go through the fundamentals of Linux file permission. This article explains how to use the chmod command in Linux.

Linux comes with many pre-installed tools. The wc command is one of them. The term “wc” is an abbreviation of “word count”. As the name suggests, the wc command is for counting various values of a file. These counts can come in handy in various situations. How to Use wc Command in Linux is explained in this article.

The du command is very helpful in managing the disk space on Linux as it tells how much space has been occupied by the files and packages, so we can calculate how much space is left free in the disk for new files and packages. In this article, we have discussed the different ways of using the du command with its various options.

The iostat command is used in Linux to monitor the performance of the CPU and the I/O devices, which is useful in distributing the load on different storage devices to get the maximum efficiency from the CPU. In this write-up, we have explained the installation of the iostat command and also the parameters of the report generated by the iostat command. The iostat command can also be used with different flags; the important and most widely used flags are also being discussed.

SCP command-line tool is used for transferring the files and directories across the system in a secure manner. The SCP command will create an ssh connection in the backend while copying the files/directories from the local system to the remote system or vice versa. How to use SCP Command in Linux is explained in this article.

Duf is a free and open source command that provides a better understanding of disk usage patterns and it’s a user friendly version. The article is a guide on how to use the Duf command in Linux

ARP is a protocol that certain devices implement for discovering and communicating with each other. This article shows you how to use arping command in Linux.