This is called zapping the X
server.
This key combination should not be used lightly: since it immediately terminates the
X server, client connections will be closed without warning, and most clients will
subsequently terminate themselves. Any work-in-progress may be lost, and files may
be left in an indeterminate state. Nonetheless, when the server is hopelessly messed
up, zapping it may be your only available option short of a hard reset??”and it is safe
to do when no clients are connected.
Because this key combination can be dangerous, the X.org server permits you to disable
it using the DontZap directive in xorg.conf configuration file.
2.14 Terminating X Automatically
By default, an X server will reset and continue running when the last client disconnects.
The reset clears out the server memory, preventing new clients from accessing
data from a previous session. This is an important security precaution.
For many applications it??™s desirable to have the X server exit when the last client disconnects.
This is configured by adding the -terminate option to the X command line:
$ X -terminate
40
Chapter 3 3
Basic X.org Configuration
3.1 What Is There to Configure?
An X server manages a number of devices: keyboards, pointing devices, video cards,
and monitors.
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