What is VoIP
VoIP is an acronym for Voice over Internet Protocol, also called IP Telephony or Internet Telephony and can be defined...
C operators
C language operators can be unary, binary or ternary, each having a clear precedence and associativity. The following table summarizes...
Objects and classes in Java
Objects are crucial to building complex and efficient Java applications. When a developer creates a complex system, the process design...
How to increase your Windows 10 computer speed
Sometimes, to increase computer speed, you need to upgrade the hardware components to newer ones. Let’s take a few minutes...
What is cron and cronjob
In UNIX, cron is a job scheduler that allows actions to be performed at a time. Actions are generally defined...
RPC – Remote Procedure Call
RPC is a powerful technique for building distributed applications based on the client-server model. The model extends the notion of...
What is Java and how to install Java in Ubuntu 18.04
First of all, we need to clarify what Java is. Java is a highly-targeted, object-oriented programming language designed in the...
What is a Virtual Private Network
A Virtual Private Network, or a VPN as it most commonly called, is a private tunnel that connects two or...
How to secure your private Wi-Fi network
When creating a private Wi-Fi network for your home, you need to make sure your network is secure. You need...
What is the DOS OS
DOS (Disk Operating System) is a single-tasking, single-user command-line operating system that dominated the personal computer market in the 1980s....
Changing permissions on a file in Linux
To change the attributes (permissions) of a file or folder, use the chmod command: chmod new_permission filename Example (see how...
What is The Linux Kernel
The Linux kernel is the most essential part of the OS, the one that works with the CPU and is...
