Proc file system (short for “procfs”, referring to “/proc” dir) is a virtual file system (not a real file system) that is mounted on system boot to store information related to running processes. The proc file system stores useful information about the running process and
In this article, you will learn everything about file descriptors, like their uses in Linux, what a file descriptor table is, how to view the file descriptors under a specific process, and how to change the limit of a file descriptor in Linux. What are
In this article, you will learn what an inode is, how to check an inode and its size in Linux, and their roles in soft/hard links and system updates. What is Inode in Linux? In your Linux filesystem, an inode (or index node) is a
When you interactively login to your system, you usually interact with your main shell from the terminal to execute commands; however, from your main shell (or parent shell), you can spawn a subshell (or child shell). Confused? I knew this would be more difficult, especially
The UNIX/Linux shell is a command-line program that creates a bridge between the terminal emulator and kernel to allow users to enter commands, execute programs, and perform various other tasks by typing commands at the command prompt. Once the shell has finished executing the user
Renaming files and directories is one of the most basic tasks that every Linux user performs regularly using the GUI or command line tools. In both of these tools, renaming a single file is pretty easy, but renaming multiple files can be trickier, especially for
In Linux, the rename command is an amazing utility that allows you to rename single or multiple files at once, based on a set of rules or regular expressions you specify. Most of the time, the mv command is used to rename files or folders.
Look at the following command and tell me what each part of it does: You might be full of confidence if you are a pro Linux user, but things are not that easy for beginners, and even for advanced users, there will be some commands
This article requires knowledge of TTY in Linux. If you are unfamiliar with this term, check out our recent article on TTY and PTY in Linux, then come back to continue this article. So, to switch between different TTY screens (or virtual consoles) in Linux,
In this article, you will learn what the SSH protocol is, how it works, and a short history of this protocol. If you are only interested in the installation part, then click here. Tutorial Details Description OpenSSH Difficulty Level Moderate Root or Sudo Privileges Yes
Linux (or its shells) is a powerful tool that can handle all the tasks on a workstation or server without a hitch, giving you full control over your system. Like managing the background process, setting up a web server, monitoring the network devices, handling a
While walking in your Linux journey, you might hit yourself with the term “chroot” (or “chroot jail”), and that’s what you’re about to learn today: what they are and their usage. Tutorial Details Description Chroot Jail Difficulty Level Moderate Root or Sudo Privileges Yes OS
