Raspberry Pi Pico board allows to control an external LEDs through GPIO pins. This tutorial provides circuit diagram and code how to blink the external LED using Raspberry Pi Pico...

There are various ways to free up disk space on the system. On of them to delete old files which are no longer needed after a certain period of time...

One of the ways to free up disk space on the system is to delete old files which are no longer needed after a certain period of time. It can...

A directory is a container that is used to contain subdirectories and files. Sometimes, may need know how many files are stored inside a given directory and subdirectories. This tutorial...

Directories can contain a lot of files. When working with filesystem, may need to determine how many files are in a given directory and subdirectories. This tutorial shows how to...

A directory is a container that is used to contain subdirectories and files. When working with filesystem, might be need to remove all files and subdirectories contained in a directory...

Directory can contain many subdirectories and files inside it. When working with filesystem in Linux, might be need to remove all files and subdirectories contained in a directory. This process...

In Windows, can be needed to clear the contents of a file without deleting file itself. One of the fastest ways to achieve it, by running command. Create a file...

When working with files in Linux, there might be required to clear the contents of a file without deleting file itself. One way to achieve that would be to open...

In Linux operating system all executed commands are tracked and stored in the history file. It can be used to view and recall the past commands. However, for security reasons...