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Frequently Asked Questions

How do I set up an X window environment?

DCF FAQ
Most of you will be using default - Common desktop window manager that came with Solaris. If you need to run your own window manager, please read on. You need to have /opt/X11R6/bin (Solaris 2.x) or /usr/openwin/bin in your path. In your home directory you should create a file ".xinitrc". ".xinitrc" is the script used to start up X and it is invoked when you type "xinit".

What is the X Window System?

Cygwin/X Frequently Asked Questions
The X Window System, or X, is a network-transparent window system. With X, multiple applications can run simultaneously in windows, generating text and graphics in monochrome or color on a bitmap display. Network transparency means that application programs can run on machines scattered through the network.

Why port the X Window System to Microsoft Windows?

Cygwin/X Frequently Asked Questions
Cygwin/X, in conjunction with Cygwin, provides a complete compatibility layer for compiling and running UNIX applications on Microsoft Windows.

Why doesn't the X Window System use GNU's autoconf?

Cygwin/X Frequently Asked Questions
The X Window System does not use autoconf because autoconf was not available when the X Window System was started in 1984.

What licenses apply to the X Window System source code?

Cygwin/X Frequently Asked Questions
X Window System source code is generally licensed under an X11 style license, which is certified by the Free Software Foundation as compatible with the GNU GPL.

Who holds the copyright on the X Window System source code?

Cygwin/X Frequently Asked Questions
Each source code file in the X Window System typically has its own license and copyright statement. Therefore, there is not a general rule for determining who holds the copyright on a particular X Window System source file, as each author is free to assign the copyright to someone else, to some group, or to keep the copyright themselves. You must inspect the source code file in question to determine who holds the copyright for that file.

Why is the environment variable REMOTE_USER not set?

Apache Server Frequently Asked Questions
This variable is set and thus available in SSI or CGI scripts if and only if the requested document was protected by access authentication. For an explanation on how to implement these restrictions, see Apache Week's articles on Using User Authentication or DBM User Authentication. Hint: When using a CGI script to receive the data of a HTML FORM notice that protecting the document containing the FORM is not sufficient to provide REMOTE_USER to the CGI script.

Is there a way to have an X application draw inside a Perl/Tk window?

comp.lang.perl.tk FAQ
No not yet. But according to Nick Ing-Simmons: If app. can take XID of window to draw on it should be doable now, but if Tk has to pro-actively watch for creation of app's 'top level', and "capture" it is more tricky.

If I purchase one X-Cart package, can I set it up at more than one website ?

X-Cart: Frequently asked questions
No, this is not possible. You will need to purchase a license for each site you build with X-Cart. You'll get a significant discount on all X-Cart licenses purchased after the first one. X-Cart is integrated with Authorize.net by means of AIM (Advanced Integration Method) and SIM (Simple Integration Method). SIM is supported by X-Cart 3.5.0 or higher version.

Can I set VisiVue properties from the JVM options in the launcher window?

VisiVue FAQ - www.visicomp.com
You can set VisiVue properties (such as visicomp.verbose=true) both from the visivue.properties file and from the JVM options in the VisiVue launcher. However, keep in mind the difference between these two variations. Setting VisiVue properties from the Launcher sets VisiVue properties for the visualization portion only, since the instance of the JVM for the launcher is already running. This would be useful to obtain error output for visualization only.

What is X, and what is a window manager?

AfterStep FAQ: General information
X" is common shorthand for The X Window System. It is the basis for building some graphical user interfaces (GUIs). These are most often found on UNIX-type systems, although there are implementations for other platforms. Notice that X is not the interface itself. For more information, please see The X Window System. A window manager (briefly) is a program which controls the way various windows interact during an X session. AfterStep is one such window manager.

How do I get from an X-Window session to a console?

Linux FAQ
When switching between text-mode consoles (VC or "virtual console"), you merely need to use the ALT modifier (ALT-F1 through ALT-F7). While running an X server, you use the CTRL-ALT modifer to get out of X and back to a text-mode VC (CTRL-ALT-F1 through CTRL-ALT-F6). Also, CTRL-ALT-BACKSPACE will kill X altogether, and CTRL-ALT-KEYPAD+ and CTRL-ALT-KEYPAD- will switch between available resolutions.

How do I set an environment variable?

Simple DirectMedia Layer
SDL doesn't use the X11 video driver if it can't open the X display, and if no other drivers are available, it will report this error. Finally, if all those didn't work, and you built SDL from source, make sure that you have the X11 development libraries installed, otherwise you'll get a version of SDL that doesn't include X11 display support. After you install the X development libraries, you need to "make clean" and then rerun the configure and build process.

What environment variables should I set?

ITSweb | Documentation | Desktop Publishing | LaTeX and TeX ...
None! The most generic environment for TeX only requires that your PATH be setup appropriately. This is done by default, so you should not need to set any environment variables unless you have special requirements beyond that of most users of TeX. If you find that you do need to set some environment variables you should read the help file on Kpathsea library. The library's purpose is to look up a file in a list of directories specified by the user.

How do I set up Caf?TimePro in a network environment?

Welcome to Caf?Time
This answer assumes the computers on your network are running the TCPIP protocol and have been configured correctly. For more information on configuring your network for TCPIP refer to Help in Caf?TimePro. First install on a computer Caf?TimePro as a Server. This server installation will have the database installed to track all transactions (sessions) for itself (the Server) and any Client installations.

How do I set up my environment for Gaussian?

Welcome to HPCVL -- Gaussian FAQ
The easy way: The usepackage system has an entry for Gaussian 03 (and another one for Gaussian 98). All you need to do is type use g03 and the proper changes will be made. You can also put this command into your setup (.login or .profile) files. The hard way: You can also do things manually. Include the following lines in your setup files (.login for csh, .profile for ksh or bash): For csh: setenv g03root /opt source $g03root/g03/bsd/g03.
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