Bash uses the Readline library for handling command-line input. One of the editing modes supported by the Readline library is the vi mode; the other one being emacs mode. To enable vi mode use the following command. $ set -o vi To verify that you are in vi mode, use the command. $ shopt -o …
If a variable is not set or if its value is null, the default behavior of Bash is to expand it to a null string. Bash provides three alternatives to this default behavior. Use a default value instead of the null string. Set a default value for the variable and use that value. Display an …
Bash: Using or setting a default value for null or unset variables Read More »
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. …
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 …
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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 …
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