Why Does Every Developer Use Two Computers on their Desk at Same Time?

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Why does every developer use two computers on their desk at same time?

There are programs that allow you to run one operating system (or more) inside of another. These programs are referred to as hypervisors, and the technique of using them is referred to as virtualization. Virtualization is fairly commonplace at industrial scales, and it’s almost as efficient as running the operating systems natively. I’ve personally messed with virtualbox and KVM. If you’re good with linux, you could try KVM; if not, I recommend virtualbox. Either way, you’ll need the install media (or ISO files) for both operating systems. (I’ll be writing this tutorial for VirtualBox BTW; the steps for KVM are similar, but involve a lot more technical know-how.) Step 1. install your preferred OS (which for me is Linux, probably) directly on the hardware. An existing installation will also work just fine. Step 3. download and install virtualbox. Step 3. click ‘new’ Step 4. Answer the questions. Make sure to give the ‘guest’ OS enough RAM and CPU. Also be sure to allocate a properly sized OS disk image. Allocating too much will hurt the host OS while the guest is running; allocating too little will hurt the guest OS. Allocating more than what your system actually has is highly not recommended, but will probably still technically work. Also be sure to configure the guest OS to boot from your installer disk (or ISO). Step 5. click ‘run.’ This will boot a virtual computer; the window that opens is your screen. Step 6. install the guest OS as normal. Note that the guest OS will only see the OS disk image it was given, so it’ll think your hard drive is totally blank. This is normal. You can overwrite this disk image without it affecting your host system. Step 7. profit.

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I never thought twice about that until I got my computer at the end of my university career. I was working at a company in an older department and was asked to give a presentation to an executive. On the morning I needed to go into the building for the meeting, a colleague and I had planned to get our laptops ready. As I walked into the meeting room, my colleague was sitting with his iPad. “Hey man, I've got your presentations saved on my iPad” he said to me. “Cool. You'll need the presentation for later if the company wants you as an employee. I was amazed that he was still working at the company and having a full time job at the same time. And he was using his computer as a computer! That has to be the most liberating thing. I don't take my cell.