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Basic file upload using PHP

Learn how to add basic file upload functionality to your web page using PHP.

Disk cloning in Linux using dd command

Examples of how to use dd command for disk image backup and restore and for cloning disk partitions or an entire disks.

How to read and write Excel files in Java

Here is a Java program that demonstrates how to read and write Excel files using the Apache POI HSSF library

How to backup and restore a System Image in Windows 10

In this article we show you how to create a system image backup in Windows 10 and how to restore you system from a system image backup.

How to rate the performance of your computer

How to rate the performance of your computer using Windows Experience Index

C program to add, remove, print, and traverse a linked list

A Linked list consists of a set of nodes and each node has some data and a pointer to next node. Here is a C program to add, remove, count and print elements of a linked list

How to create and manage services in CentOS 7 with systemd

This article explains how to create a custom new service units and CentOS 7 with systemd and how to manage services using systemctl command.

How to reverse a string in C

This is a simple C program to reverse a string without using library functions

Installing OTRS Help Desk and ITSM software on CentOS 7

This article shows you how to install the open source helpdesk and ITSM software OTRS on CentOS 7 operating system

Binary search in C using recursion

A binary search is an algorithm to search the position of an element inside a sorted array. Here is a C program that performs binary search on an array using recursion.