Setting Display Variables in Linux
Introduction
Setting display variables in Linux is an essential step for configuring your system’s display settings. This article will guide you through the process of setting display variables, including how to set the display resolution, adjust the brightness, and configure the display settings.
Setting Display Resolution
The display resolution is the number of pixels that make up the image displayed on your screen. To set the display resolution, you can use the vga command. Here are the steps:
- Open a terminal and type
vgato display the available VGA settings. - Look for the
ModeorResolutionoption and select the desired resolution. - For example, to set the resolution to 1920×1080, type
vga mode 1920x1080and press Enter.
| Resolution | Description |
|---|---|
| 640×480 | Old VGA resolution |
| 800×600 | Standard VGA resolution |
| 1024×768 | High-resolution VGA resolution |
| 1280×960 | Low-resolution VGA resolution |
| 1600×1024 | High-definition VGA resolution |
| 1920×1080 | Full HD resolution |
| 2560×1440 | Quad HD resolution |
| 3200×1800 | Ultra HD resolution |
Adjusting Display Brightness
The display brightness is the amount of light emitted by the display. To adjust the display brightness, you can use the xrandr command. Here are the steps:
- Open a terminal and type
xrandrto display the available display settings. - Look for the
BrightnessorContrastoption and select the desired brightness level. - For example, to set the brightness to 50%, type
xrandr --brightness 50and press Enter.
| Brightness Level | Description |
|---|---|
| 0 | Maximum brightness |
| 50 | Default brightness |
| 100 | Maximum brightness |
| 150 | Medium brightness |
| 200 | Medium-high brightness |
| 250 | Medium-low brightness |
| 300 | Low brightness |
| 350 | Very low brightness |
| 400 | Very low brightness |
| 450 | Very low brightness |
| 500 | Maximum brightness |
Configuring Display Settings
The display settings include options such as the display mode, resolution, and brightness. To configure these settings, you can use the xrandr command. Here are the steps:
- Open a terminal and type
xrandrto display the available display settings. - Look for the
ModeorResolutionoption and select the desired display mode. - For example, to set the display mode to 4:3, type
xrandr --mode 4:3and press Enter.
| Display Mode | Description |
|---|---|
| 640×480 | Old VGA resolution |
| 800×600 | Standard VGA resolution |
| 1024×768 | High-resolution VGA resolution |
| 1280×960 | Low-resolution VGA resolution |
| 1600×1024 | High-definition VGA resolution |
| 1920×1080 | Full HD resolution |
| 2560×1440 | Quad HD resolution |
| 3200×1800 | Ultra HD resolution |
| Resolution | Description |
|---|---|
| 640×480 | Old VGA resolution |
| 800×600 | Standard VGA resolution |
| 1024×768 | High-resolution VGA resolution |
| 1280×960 | Low-resolution VGA resolution |
| 1600×1024 | High-definition VGA resolution |
| 1920×1080 | Full HD resolution |
| 2560×1440 | Quad HD resolution |
| 3200×1800 | Ultra HD resolution |
Additional Display Settings
In addition to the display mode and resolution, you can also configure other display settings such as the display size, refresh rate, and color depth. To configure these settings, you can use the xrandr command. Here are the steps:
- Open a terminal and type
xrandrto display the available display settings. - Look for the
SizeorResolutionoption and select the desired display size. - For example, to set the display size to 1920×1080, type
xrandr --size 1920x1080and press Enter.
| Display Size | Description |
|---|---|
| 640×480 | Old VGA resolution |
| 800×600 | Standard VGA resolution |
| 1024×768 | High-resolution VGA resolution |
| 1280×960 | Low-resolution VGA resolution |
| 1600×1024 | High-definition VGA resolution |
| 1920×1080 | Full HD resolution |
| 2560×1440 | Quad HD resolution |
| 3200×1800 | Ultra HD resolution |
| Refresh Rate | Description |
|---|---|
| 60 | Standard refresh rate |
| 120 | High refresh rate |
| 144 | High refresh rate |
| 168 | High refresh rate |
| 192 | High refresh rate |
| 256 | High refresh rate |
| 288 | High refresh rate |
| 320 | High refresh rate |
| 384 | High refresh rate |
| 480 | High refresh rate |
| 576 | High refresh rate |
| 720 | High refresh rate |
| 864 | High refresh rate |
| 960 | High refresh rate |
| 1080 | High refresh rate |
| 1200 | High refresh rate |
| 1440 | High refresh rate |
| 1600 | High refresh rate |
| 1920 | High refresh rate |
| 2160 | High refresh rate |
| Color Depth | Description |
|---|---|
| 8 | Standard color depth |
| 16 | High color depth |
| 24 | High color depth |
| 32 | High color depth |
| 48 | High color depth |
| 64 | High color depth |
| 96 | High color depth |
| 128 | High color depth |
| 192 | High color depth |
| 256 | High color depth |
| 384 | High color depth |
| 512 | High color depth |
| 768 | High color depth |
| 1024 | High color depth |
| 1280 | High color depth |
| 1536 | High color depth |
| 2048 | High color depth |
| 3072 | High color depth |
| 4096 | High color depth |
Conclusion
Setting display variables in Linux is an essential step for configuring your system’s display settings. By following the steps outlined in this article, you can set the display resolution, adjust the brightness, and configure the display settings to your liking. Remember to always use the xrandr command to configure your display settings, and to check the available display settings before making any changes.