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Created April 11, 2020 18:09
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X11.md

X window system (X11), simply X, provides basic GUI framework.

A desktop environment consists of window manager, file manager and utility programs.

startx initializes an X session. It can be started manually after a console login or through a graphical login by display manager.

X window manager

X window manager is windowing system that runs on top of X11. The user can choose between third-party window managers.

X display manager

X display manager graphical login manager that authenticates user and then starts an X session through startx. Examples are GDM (Gnome display manager), lightdm etc.

windows manager vs display manager (such as Gnome Display Manager)?

xinit -> .xinitrc

.xsession is executed when you login in graphical mode by display manager. .xsessionrc is executed as part of the startup process.

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