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Conventions

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "On a wired connection, it can be read from the eth0 section by typing the sudo ifconfig command in a shell."

A block of code is set as follows:

#include <stdio.h>
double div(double a, double b)
{
   return(a/b);
}

int main(void)
{
int a;

    for (a=4; a>0; a--)
printf("10:%d = %lf\n", a, div(10,a));
    return 0;
}

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

ARCH = arm
PLATFORM = generic
BUILTIN_GPU = unai
SOUND_DRIVERS = sdl
PLUGINS = plugins/spunull/spunull.so plugins/dfxvideo/gpu_peops.so plugins/gpu_unai/gpu_unai.so plugins/gpu-gles/gpu_gles.so
HAVE_TSLIB = 1
HAVE_GLES = 1
CFLAGS_GLES =

Any command-line input or output is written as follows:

sudo /etc/init.d/ssh start
sudo /etc/init.d/ssh stop

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text like this: "Go to Scratch-UI-Panes | ScratchFrameMorph | menu/button actions | addServerCommandTo."

Note

Warnings or important notes appear in a box like this.

Tip

Tips and tricks appear like this.

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