linux commands

Linux is becoming well known because it’s more than just free software as it’s unusually a good operating system. Linux was first developed by Linus Torvalds at the University of Helsinki in Finland. If you’ve never worked with Linux before, you may be confused as to why there are so many...

There are hundreds of commands that are used in day-to-day Windows administration. Some Useful Commands to Be Run from the Windows Command Prompt are as follows: S.No. Command Usage Description 1 tasklist tasklist Lists all the tasks that are currently active on the system (similar to...

The default shell used in all Linux distributions is the GNU bash shell. Once you start a terminal emulation package or log in from the Linux console, you get access to the shell CLI prompt. The prompt is your gateway to the shell. This is the place where you enter shell commands. The default...

Most of us are often confused with the difference between apt and apt-get command This confusion prevails among all the users, including beginners and experienced. These command line tools are much similar in use to manage package operations which includes Installation, upgrade, and removal. In...

Introduction The Linux kernel has a modular design. Functionality is extendible with modules or drivers. Use the modprobe command to add or remove modules on Linux. The command works intelligently and adds any dependent modules automatically. The kernel uses modprobe to request modules. The...

Introduction Linux system administrators often need access to information about currently logged-in users. The GNU coreutils package features the who command that provides the necessary options. In this tutorial, you will learn how to use the who command to display a list of the logged-in...

The Linux tar command stands for tap archive, is not a compressed file and commonly called as a collection (which contains the contents of many files) of a single file. Tar is the most commonly used command in Linux for creating a archive file. It saves multiple files, folders & other file...

cURL is the magical utility that allows developers to download a URL’s content, explore response headers, get stock quotes, confirm our GZip encoding is working, and much more. One more great usage of cURL for command line is POSTing form data to a server, especially while testing moderate to...

To check the host the alive or not, we always use PING Command. The “ping” command is built into both Windows and UNIX machines as a universal way of testing network response time and performance. The name is really based off the similarity to sonar pings, though many people have create a post...

In the early 90’s GNU/Linux systems consisted of little more than a beta – quality Linux kernel and a small collection of software ported from the GNU project. It was a true hacker’s operating system. There were no CD?ROM’s or GUI installation tools; everything had to be compiled and configured...

Before a command is executed, its input and output may be redirected using a special notation interpreted by the shell. Redirection allows commands’ file handles to be duplicated, opened, closed, made to refer to different files, and can change the files the command reads from and writes to...

Bash is the standard shell on most Linux distributions. However, there are other Linux shells available and there’s no requirement that Bash should be present on any particular distribution. The Bash shell is open source software released under the GNU Pubic License (GPL). If you need to...

In last article, we discussed out Bash Environment Variables which always play an important role in Bash Shell Scripting and here in this article, we listed out all Bash External Variables which you can use while doing Bash Programming. External programs are often used within shell scripts...

A shell is a program that runs operating system commands. Bash has more than 50 predefined variables.These variables, created when Bash is first started, provide information about the Bash session and can be used to control some of the shell’s features. Some of these variables have special...

Kali Linux is an open source operating system developed by Offensive Security . It contains a bunch of security tools divided by categories for Penetration Testing or Ethical Hacking in a practical environment to test the reliability and security of the systems in the unusual situations. You...

People who don’t know what Linux is sometimes ask us if it’s a program that runs on Microsoft Windows. When we tell them that Linux is, itself, an operating system like Windows and that they can remove (or never purchase) Windows, We sometimes get a surprised reaction: “A PC can run with nothing...

In this post we are taking a look at some commands that can be used to check up the partitions on your system. The commands would check what partitions there are on each disk and other details like the total size, used up space and file system etc. Commands like fdisk, sfdisk and cfdisk are...