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What is var run utmp? /var/run/utmp – Contains currently logged in users. /var/log/wtmp – Contains all current and past logins and additional information about system…

What is the function of pull-down resistor? The pull-down resistor holds the logic signal near to zero volts (0V) when no other active device is…

Can I use Seagate External hard drive with Mac and PC? Newer Seagate and LaCie branded external drives come preformatted with the exFAT file system,…

Do I need flux to reflow? Sufficient no-clean flux will then remain on the solder balls to facilitate good wetting during a simple reflow, without…

Is Raspberry Pi ARM or arm64? The Raspberry Pi 3 is a version of the RaspberryPi which was released in February 2016. It contains a…

How to reduce noise in a SMPS circuit? Explore the concept of noise in a SMPS circuit that designers typically focus on mitigating, including ripple…

What do I do when my file freezes in Vim? Even if I type Ctrl+C or Ctrl+D, it still freezes there. I kill -9 from…

Can I see my iPhone battery on my Mac? To check your iPhone’s battery level from your Mac, hold down the Option key and click…

Can I run Minecraft on Raspberry PI 3? Minecraft Pi is a bare-bones version of the popular survival game designed to help teach users various…

How does NAND Mirroring work? NAND mirroring involves the physical removal of the NAND chip on the device and copying the data stored on it.…