Introduction to the 'viewres' Command

Viewres: A Comprehensive Guide

Viewres is a powerful command line tool that enables users to view and modify the resolution of their display. This guide will provide an overview of the command, its basic usage and syntax, examples of common use cases, advanced options and flags, examples in real-world scenarios, and troubleshooting tips and potential errors.

Introduction to the Command

Viewres is a command line tool that can be used to view and modify the resolution of a display. It is commonly used for troubleshooting and for making adjustments to the display's appearance. Viewres is available on most Unix-based operating systems.

Basic Usage and Syntax

The basic syntax for using viewres is as follows:

viewres [options] resolution-string

Where the options are one or more of the following:

• -h: Displays help information.
• -l: Lists supported resolutions.
• -s: Sets the resolution.
• -r: Resets the resolution to the default.

The resolution-string is a string that describes the desired resolution. For example, 1920x1080 is a resolution-string for a 1920x1080 display.

Examples of Common Use Cases

• Viewing the current resolution: viewres -l
• Setting the resolution to 1920x1080: viewres -s 1920x1080
• Resetting the resolution to the default: viewres -r

Advanced Options and Flags

• -a: Automatically selects the best resolution for the display.
• -f: Forces the resolution to be set, even if it is not supported by the display.
• -d: Disables the display.
• -e: Enables the display.
• -v: Displays verbose output.

Examples in Real-World Scenarios

• Troubleshooting a display that is not displaying correctly: viewres -l -v
• Setting a resolution that is not supported by the display: viewres -f -s 1920x1080
• Disabling a display that is not being used: viewres -d

Troubleshooting Tips and Potential Errors

When using viewres, it is important to be aware of potential errors and how to troubleshoot them. Common errors include:

• The resolution string is invalid: Make sure the resolution string is valid and supported by the display.
• The display is not supported: Make sure the display is supported by the operating system.
• The resolution is not supported: Make sure the resolution is supported by the display.

If you encounter any errors, try using the -v flag to display verbose output, which can provide more information about the error.