X Windows
The X Windows System (also known as X11, X, and X-Windows) is a windowing system, common on Linux and Unix-like operating systems. X provides the basic framework for a windowed GUI environment. Drawing and moving windows on the display as well as interacting with the keyboard and mouse are handled by X.
Contents
Utilities
The following list is a collection of common X utilities included on the Standard EMAC OE builds.
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xdpyinfo
- Xdpyinfo is a utility for displaying information about the X server.
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xinit
- Xinit is the utility that is used to start the X server .
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xkbcomp
- Xkbcomp is a keymap compiler that is most commonly used to create a
.xkmkeymap file to be read by X servers or utilities.
- Xkbcomp is a keymap compiler that is most commonly used to create a
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xmodmap
- Xmodmap is a utility that is used for modifying keymaps.
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xrandr
- Xrandr is used to set the size, orientation and/or reflection of the outputs for a screen.
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xsreensaver
- The xscreensaver program waits until the keyboard and mouse have been idle for a period, and then runs a graphics demo chosen at random.
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xset
- Xset is used to set various user preference options of the display.
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xterm
- The xterm program is a terminal emulator for the X Window System.
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xtscal
- Xtscal calibrates the touchscreen on an X system.
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xinput
- Xinput is a utility to list available input devices, query information about a device and change input device settings.
Please refer to the man pages for each command to get specific instructions:
developer@ldc:~# man <command>
SSH X Forwarding
While using SSH to access a system running the X Windows System, it is possible to have any X windows generated by the remote system appear on the local machine. To connect to the system at the IP address 10.0.2.41 with X forwarding, enter the following command:
developer@ldc:~# ssh -X user@10.0.2.41
Other than the -X option, the procedure for logging in is the same as that listed on the System Login Page.
To verify that X forwarding is enabled, the following command may be entered:
user@emac-oe:~# xclock &
This will open a small analog clock in a window on the host machine. The window can be closed after verifying the correct functionality.
Links
The following are links to detailed documentation relating to the X Windows System.
