Krishna A shell is a program that interprets and runs the commands typed at the console by the user. The shell sends requests to the kernel, which executes them. UNIX comes with various shells, the most common being the C Shell, the Bourne Shell and the Korn Shell. IRIX adds the Tenex Shell. linux includes both … Read more
UNIX’s philosophy is the same as the C language’s: it assumes users know what they are doing!!!
The UNIX system is mainly composed of three different parts: the kernel, the file system, and the shell. [The kernel] is that part of the system which manages the resources of whatever computer system it lives on, to keep track of the disks, tapes, printers, terminals, communication lines and any other devices. The file system … Read more
Check the hardware. When you’re beginning the troubleshooting process, check all your hardware to make sure it’s connected properly, turned on, and working. If a cord has come loose or somebody has switched off an important router, this could be the problem behind your networking issues. There’s no point in going through the process of … Read more
Understanding the mathematics that govern our daily lives, and how you can use it to your advantage. There’s something irresistible in the idea that everything that seems vague, random and unpredictable in our lives can be explained with mathematics. That there’s an equation tucked away in some seldom-visited corner of academia able to provide answers … Read more
The United Arab Emirates (UAE) plans to send an unmanned spacecraft to the Moon in 2024, according to a senior official. Sheikh Mohammed bin Rashid Al Maktoum, the ruler of Dubai, announced the news, which follows the launch of a Mars probe earlier this year by the UAE. “It will be an Emirati-made lunar rover … Read more
Researchers have identified two dozen planets outside our solar system that may be better than the Earth at supporting life. The Washington State University study defines these as “superhabitable” planets which are typically older, larger, slightly warmer and possibly wetter than the Earth. Life could also more easily thrive on planets that circle more slowly … Read more
One outcome of the pandemic has seen homegrown startups creating innovative digital solutions and platforms for customers to adapt to the ‘new normal’. E-commerce has had a big push during the lockdown. Riding high on this wave, tech startup Detel launched an electric bike in August. Described as the ‘Detel Easy EV’, the bike’s unique … Read more
Eighty-two per cent of people believe robots can support their mental health better than humans, according to a study by Oracle and HR research and advisory firm Workplace Intelligence. The Covid-19 pandemic has made 2020 one of the most stressful years in living memory, negatively affecting the mental health of many people, both at home … Read more
The Linux filesystem structure is somewhat different from that of Windows. Linux doesn’t have a physical drive (such as the C: drive) at the base of the filesystem but uses a logical filesystem instead. At the very top of the filesystem structure is /, which is often referred to as the root of the filesystem, … Read more