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Full Discussion: what is the diff b/w background and foreground process
Top Forums UNIX for Advanced & Expert Users what is the diff b/w background and foreground process Post 302364175 by TonyLawrence on Thursday 22nd of October 2009 08:28:18 AM
Old 10-22-2009
If you don't believe a background process has access to STDOUT, how would you explain

ls &

?

---------- Post updated at 08:28 AM ---------- Previous update was at 08:20 AM ----------

I have to say that this smells ike homework to me, which is why I made a smarmy reply the first time, but just in case it is not:

When a shell executes a fg command, it does a wait(). For a bg command it does not. That's the real difference; everything else is implementation.
 

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LEARN ABOUT DEBIAN

gnome-background-properties

gnome-background-properties(1)					   User Commands				    gnome-background-properties(1)

NAME

       gnome-background-properties - customize your desktop background

SYNOPSIS

       gnome-background-properties [gnome-std-options]

DESCRIPTION

       The  Background	preferences  tool  allows you to customize the desktop background. The desktop background is the part of the desktop where
       there are no interface graphical items, such as panels and windows. The desktop background is always beneath the other interface items.

       You can customize the desktop background in the following ways:

	 o  Select an image to display on the desktop background. The image is superimposed on the desktop background  color.  The  desktop  back-
	    ground color is visible if you select a transparent image or if the image does not cover the entire desktop background.

	 o  Select  a  color  for  the	desktop  background. You can select a solid color, or create a gradient effect with two colors. A gradient
	    effect is a visual effect where one color blends gradually into another color.

OPTIONS

       The following options are supported:

       gnome-std-optionStandard options available for use with most GNOME applications. See gnome-std-options(5).

EXAMPLES

       Example 1: Launching the background preference tool

       example% gnome-background-properties

EXIT STATUS

       The following exit values are returned:

       0	Application exited successfully

       >0	Application exited with failure

FILES

       The following files are used by this application:

       /usr/bin/gnome-backgrounExecutableefor Background preferences tool

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+------------------------------+
       |      ATTRIBUTE TYPE	     |	     ATTRIBUTE VALUE	    |
       +-----------------------------+------------------------------+
       |Availability		     |SUNWgnome-desktop-preferences |
       +-----------------------------+------------------------------+
       |Interface stability	     |External			    |
       +-----------------------------+------------------------------+

SEE ALSO

       Preference Tools Manual

       Latest version of the GNOME Desktop User Guide for your platform.

       gnome-control-center(1), gnome-std-options(5)

NOTES

       Written by Glynn Foster, Sun Microsystems  Inc., 2003.

SunOS 5.10							    2 Oct 2003					    gnome-background-properties(1)
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