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 objdump Command Explained for Beginners (7 Examples)
Author: Himanshu Arora • Tags: linux, programming, shell • Comments: 1 • Updated: May 14, 2020If you are into programming on Linux and your work revolves around compilers, there are a handful of command line utilities that you should be aware of. One such tool is objdump.
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Linux pgrep Command Tutorial for Beginners (10 Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 2 • Updated: May 13, 2020You might already know about the grep command in Linux, which searches for a pattern, and then prints the matching text in output. What if the requirement is to apply this kind of processing to fetch select information about processes currently running in the system?
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Linux pinky Command Tutorial for Beginners (8 Examples)
Author: Himanshu Arora • Tags: linux, ubuntu • Comments: 0 • Updated: May 11, 2020The finger command in Linux is a popular tool to fetch information related to system users. Pinky is a lightweight alternative that comes pre-installed (at least on Ubuntu).
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Linux vmstat Command Tutorial for Beginners (5 Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 0 • Updated: May 08, 2020If you are looking for a command line utility that you can use to access information about processes, CPU activity, memory, and more, you'll be glad to know that vmstat does this for you.
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Linux taskset Command Tutorial for Beginners (with Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 1 • Updated: May 07, 2020In this tutorial, we will discuss a utility - dubbed taskset - that lets you achieve processor affinity. Ever heard of the term processor affinity? It's a feature that allows you to bind or unbind processes to a particular central processing unit, or a range of CPUs.
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Linux printenv Command Tutorial for Beginners (with Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 0 • Updated: May 06, 2020Environment variables play a major role in Linux. Most programs, whether command line based or GUI based, deal with environment variables in one way or the other. So naturally, there are tools that let you access environment variables from the command line. One such tool is printenv. In this tutorial, we will discuss printenv using some easy to understand examples.
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Linux pmap Command Tutorial for Beginners (5 Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 0 • Updated: May 05, 2020Linux command line offers a lot of tools that help you know more about processes that are currently active in your system. One such utility is pmap, which reports the process memory map. In this tutorial, we will discuss the basics of pmap using some easy to understand examples.
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Linux mktemp Command Tutorial for Beginners (5 Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 1 • Updated: Apr 30, 2020Creating temporary files or directories is a common task that many Linux command line users do. But there's a dedicated command line tool - dubbed mktemp - that lets you do this.
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Linux readlink and realpath Command Tutorial for Beginners (with Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 1 • Updated: Apr 23, 2020In this tutorial, we will discuss the basics of realpath and readlink commands that are similar (if not same) in the sense that they display resolved symbolic links in output.
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Linux tcpdump Command Tutorial for Beginners (8 Examples)
Author: Himanshu Arora • Tags: linux, shell • Comments: 2 • Updated: Apr 21, 2020Everytime you open a webpage on your computer, data packets are sent and received on your network interface. Sometimes, analyzing these packets becomes important for many reasons. Thankfully, Linux offers a command line utility that dumps information related to these data packets in output.
