Articles by Himanshu Arora
About Himanshu Arora
Himanshu Arora has been working on Linux since 2007. He carries professional experience in system level programming, networking protocols, and command line. In addition to HowtoForge, Himanshu's work has also been featured in some of world's other leading publications including Computerworld, IBM DeveloperWorks, and Linux Journal.
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Linux pkill Command Tutorial for Beginners (5 Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 2In Linux, if you need to kill a process (for whatever reason) through the command line, you can use the kill command, which requires you to pass as input the ID of the process you're trying to terminate. But did you know that there also exists a way to kill processes without specifying their PIDs?
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Linux tr Command Tutorial for Beginners (with Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 1Depending on the kind of work you do on the command line in Linux, you may want a utility that can act as a Swiss army knife for quick text editing. Gladly, there exists a tool dubbed tr, which qualifies for this role.
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Linux Join Command Tutorial for Beginners (5 Examples)
Author: Himanshu Arora •
Tags: linux •
Comments: 2 Sometimes, you may want to combine two files in a way that the output makes even more sense. For example, there could be a file containing name of continents, and another file containing names of countries located in these continents, and the requirement is to combine both files in a way that a continent and the corresponding country appear in the same line.
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Download Files with Wget on the Linux Shell - Explanation and Examples
Author: Himanshu Arora • Tags: linux, shell • Comments: 1Are you a Linux newbie? Are you looking for a command line tool that can help you download files from the Web? If your answer to both these questions is yes, then you've come to the right place, as in this tutorial, we will discuss the basic usage of the WGET command line utility.
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10 Practical Examples of Linux Cal/NCal command for Beginners
Author: Himanshu Arora • Tags: linux, shell • Comments: 4If you want to quickly view a calendar on terminal in Linux, then cal is the command line tool that you should be using. By default the command displays the current month in output.
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Understanding the difference between sudo and su command on Linux
Author: Himanshu Arora • Tags: linux, shell, ubuntu • Comments: 5In this article, we will discuss in detail the 'su' command as well as how it differs from the 'sudo' command. The main work of the su command is to let you switch to some other user during a login session. In other words, the tool lets you assume the identity of some other user without having to logout and then login (as that user).
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Linux id Command Tutorial for Beginners (5 Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 1If you are new to system administration in Linux, you will gradually learn that user management is an important aspect of your work. The Linux command line offers several command-line utilities for this purpose, and one of them is the id command.
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Linux Chown Command Tutorial for Beginners (12 Examples)
Author: Himanshu Arora • Tags: linux • Comments: 1In Linux, there may be times when you might want to change the owner and group-related information for a file or directory. If you are a command line newbie, and want to know how you can make such changes through the command line, you'll be glad to know that there exists a command - dubbed chown - that lets you do this.
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Linux chage Command Tutorial for Beginners (6 Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 0Linux command line offers several tools for user management (some of which we've already discussed). One such utility is chage, which lets you tweak password expiry information.
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Linux exit Command Explained for Beginners (with Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 1If you are a Linux newbie, and your work involves doing stuff through the command line, then it goes without saying that you must be spending a lot of time on the terminal window. As you'd likely agree, there are some commands that we tend to use very frequently, like ls, cp, and rm. However, there are some others that are comparatively less used. In this tutorial, we will discuss one such, less frequently used command: Exit.
