linux commands

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...