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File permissions in Linux

Linux is a file-based system, it considers directories, drives, devices, etc as files. The actions you are allowed to perform on a Linux system depends on the permissions you have to these files. The primary permissions The three primary permissions are read, write, and execute. They have different meanings when applied to files and directories. Files Read Permission: Allows you to read the contents of a file. You can cat the contents of a text file to the terminal or open a file using an application.

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How to take a screenshot of the lock screen in KDE

Several screenshot applications allow you to set a timer for taking the screenshot. This feature can be used to take a screenshot of the lock screen. The screenshot tool Spectacle comes pre-installed with several KDE based distributions. For this guide let us use Spectacle to take the screenshot. If Spectacle is not already installed, please install it first, it is a small application. Taking a screenshot of a blank login screen after the user has completely logged out is more involved, this is not covered in this article.

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Disable media controls in Manjaro KDE lock screen

The lock screen of Manjaro KDE shows media controls for active media files. Take a look at the screenshot below. Some users consider this a privacy issue. Here is how you can disable this feature. **Step1: **From the KDE start menu search for Screen Locking. Step2: Screen Locking ➾ Appearance tab Step3: Disable the button Show media controls

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How to zoom video in VLC

VLC media player supports two types of zoom: basic zoom and interactive zoom. Basic zoom simply increases the size of the whole video, while interactive zoom allows you to zoom in on a specific portion of the video. Interactive zoom To enable interactive zoom: Go to Tools ➾ Effects and Filters ➾ Video Effects ➾ Geometry. Enable Interactive Zoom. This displays VLC’s zoom controls in the top-left of the video.

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Alerts for caps lock, num lock, and scroll lock in Windows 10

If your keyboard or laptop does not have indicators for caps, num or scroll keys you might want to consider a software-based solution. Contents Audio Alert Visual Alert Key status indicator using Autohotkey Audio Alert Start Menu ➾ Settings ➾ Ease of Access ➾ Keyboard In the **Toggle Keys **section, choose the option Play a sound whenever you press Caps lock, Num lock or Scroll lock. Visual Alert It is not possible to have visual alerts for toggle keys alone but they can be enabled for all audio alerts.

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How to change the color scheme in the new Windows Terminal

Contents Choose a built-in Color Scheme Add and choose a third-party Color scheme Change select colors from a color scheme The color scheme in Windows Terminal can be changed from the GUI or by editing a JSON configuration file named settings.json. Choose a built-in Color Scheme Select Settings from the dropdown menu or press Ctrl+, Click on Defaults from the Profiles section. Go to the Appearance section on the right and choose the Color scheme from the drop-down list.

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Logging into a Windows 10 PC without using a physical keyboard

It is possible to log into a Windows 10 PC using only the mouse. Here are the steps:- Click on the empty login screen to make the controls visible. Click on the accessibility icon on the bottom right. It is the unusual representation of a wheelchair between the network indicator and the power button. Click on On-Screen Keyboard to make it visible. Use your mouse to enter the password and click the Enter button.

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Simulating fast forward and rewind in VirtualDub using Autohotkey

Virtualdub does not have a dedicated fast-preview option. The only way to fast-preview, without giving up on normal preview, is to hold down the arrow key. I find this a little inconvenient and slow. Here is an Autohotkey script to simulate fast-forward and fast-rewind in Virtualdub. It uses the aforementioned key hold-down method but Autohotkey seems to be capable of sending keystrokes much faster than the physical keyboard; at least it does on my computer.

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Learn Windows Command Prompt by example: Beginners introduction to Cmd

There are times when you need to run a command-line application. This article shows how using an example. We will convert a PNG file to WebP using Google’s Libwebp application. As we work through the example, we will learn many important Cmd commands, including some advanced ones. In the end, we will see how to convert multiple images with a single command. Download and extract the application If you like to follow along with the guide, download the application from this page https://developers.

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IrfanView: Filter out non-images and view only images

By default, IrfanView supports all the major image formats. It also supports various non-image formats natively; for example, text files. It is possible to add support for even more formats via plugins. What all this means is that IrfanView will attempt to display many files that are either unsupported, non-image or both. If you attempt to open an unsupported file in IrfanView, you will see the following error message. With unsupported files, you have the option of installing the plugin mentioned in the error message, thus adding support to the file type in question.

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