XDummy Driver

01 XDummy Driver

1. dummy란

• The "dummy" in the "XDummy Driver" refers to a virtual display driver used in the X Window System (X11)
  • X Window System: graphical windowing system commonly used on Unix-like OS

2. XDummy Driver의 기능

• The XDummy Driver allows to create a virtual display without the need for physical hardware
• This can be useful for various purposes such as:
  • Testing and development: Developers can use the XDummy Driver to create virtual displays for testing graphical applications without needing physical displays
  • Headless servers: Servers that do not have physical displays attached can still use the XDummy Driver to create virtual displays, allowing remote graphical applications to run
  • Virtualization: Virtual machines or containers may use the XDummy Driver to provide virtual displays to applications running inside them
• The "dummy" aspect indicates that this driver simulates a display w/o actually being connected to any physical display hardware.
• It generates output purely in software, which can be useful in scenarios where a physical display is not available or necessary.