Day: June 23, 2019

How to Use the Linux cat and tac Commands

Fatmawati Achmad Zaenuri / The cat and tac commands display the contents of text files, but they are not limited to what it looks. Dive a step further and discover some productive Linux command-line tricks. These are two simple commands, often considered too simple – too simple to be […]

How to Use the vmstat Command on Linux

Fatmawati Achmad Zaenuri / Your Linux or macOS computer uses virtual memory. Find out how this affects your system's use of physical memory, CPU, and hard drive resources. What is virtual memory? Your computer is equipped with a finite amount of physical memory called RAM (RAM). This RAM must […]

How Do Smart Homes Work?

Alexander Kirch / Shutterstock Smarthomes look like any other home, with just extra control options for lights, plugs, thermostats, etc. But these extra controls introduce complexity and understanding how they work will help you build a better smarthome. We covered in the past what's a smarthome, and even offered advice […]