Kali Linux Tutorials News Updates

The jobs command is a Bash builtin that lists all background and suspended processes belonging to the current shell session. It shows the job number, state, and command for each job, and works together with fg, bg, kill, and disown to give you full control over those processes. How to Use the jobs Command in Linux The… Read more »

The Linux kernel writes messages to the kernel ring buffer throughout the boot process and while the system is running. These messages cover hardware detection, driver initialization, and system events. The ring buffer is a fixed-size circular buffer in physical memory. When it fills up, the oldest entries are overwritten.… Read more »

rsync over SSH combines secure encrypted transport with fast incremental transfers. Instead of copying every file on every run, rsync compares source and destination and sends only the differences — making repeat transfers of large directories much faster than scp. Before starting, install rsync on both the source and destination machines. Installing it only on… Read more »

The pstree command in Linux displays running processes in a tree structure rather than a flat list. The parent-child relationships that ps shows as columns are immediately visible here — making it easier to understand how processes are related and which process spawned which. How to Use the pstree Command in Linux The syntax… Read more »

The type command in Linux shows how the current shell would interpret a name typed on the command line. It identifies aliases, functions, builtins, keywords, and executable files — giving you the full picture of what will actually run. type is a shell builtin in Bash, Zsh, and Ksh. Supported options and output… Read more »

When a Linux system is slow or behaving unexpectedly, memory is one of the first things to check. This guide covers four methods to check RAM usage in Linux, from a quick summary to per-program breakdowns. How to Check Memory Usage in Linux with free The free command gives a fast memory… Read more »

The ip command is the standard network configuration tool on modern Linux systems. It is part of the iproute2 package, installed by default on virtually every distribution. ip covers interface management, IP address assignment, routing, and ARP table operations in a single unified tool — replacing the older ifconfig and route commands from the deprecated net-tools package. Important: all changes made with ip apply… Read more »

Every file and directory in Linux has an owner (a user) and a group. Together with permission bits, these two attributes control who can read, write, or execute a file. The chown command in Linux changes the user and group ownership of files, directories, and symbolic links. This guide covers all syntax… Read more »

The command line does not have a Trash folder. When you delete a file from the terminal, it is gone immediately. There is no undo and no recovery confirmation by default. This guide explains how to remove files and directories in Linux using rm, shred, unlink, and rmdir — and when to reach for each… Read more »

Systemd is the init system on most modern Linux distributions. A service file (also called a unit file) tells systemd how to start, stop, and manage a process. Creating one is the correct way to run a custom script or application as a managed service with automatic restart, boot integration,… Read more »