Learn Linux

Maintaining network security is key for system admins and configuring the firewall through the command-line is an essential skill to learn. The article will highlight how to manage the firewall with firewall-cmd in the Linux command-line.

Bash script programming is a sequence of executable commands, carrying out numerous commands at once, task performance automation, and administrative tasks customization. Generally, all Linux users must acquaint themselves with the basic knowledge of bash script programming because of the …

B-Tree Filesystem (Btrfs) is a copy on write (CoW) filesystem for Linux operating systems. Fedora users got introduced to Btrfs when the Fedora project team made it the default filesystem for Fedora Workstation 33.

Bash is a UNIX shell-compatible command process whose main task is to manipulate strings conducted in a shell environment. Programmers are at times called upon to work on different files. They can add, delete, and replace parts or the whole …

A zombie process in Linux refers to those already dead processes but, in one way or another, are still present in the process table of the system. The loophole is that, for some reason, this process was not cleaned by …

Previously, we have written articles on various Linux commands like ls, ps, scp, history, and many more present on our website. Today, we will take a look at the WC command. WC stands for “Word Count.” And as the name …

Any programmer knows how vital variables are. Variables act as way-stations for coders/programmers where they pass information back and forth. Variables are generally crucial in computing since they enable code to be dynamic. In other terms, variables are referred to …

The Linux Operating System provides several ways of terminating a Linux operating system process. The obvious way to stop a program is by clicking the X button in the top left or right corner. But there are myriad other ways …

Sometimes you might need to search a particular word or a string inside a file. To do this, almost every text editor has some sort of GUI implementation to help you out. But for Linux users, it is much more …

In any system environment and domain, the security of data and services accommodated by this system deserves the topmost priority. Properly securing an OS or other systems whose security depends on a generated password is essential. This makes the usage …