Conventions used

There are a number of text conventions used throughout this book.

CodeInText: Indicates code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here is an example: "Mount the downloaded WebStorm-10*.dmg disk image file as another disk in your system."

A block of code is set as follows:

#!/bin/bash 
# This is comment line 
echo "Hello World" 
ls 
date 

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

#!/bin/bash 
# This is comment line 
echo "Hello World" 
ls 
date 

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

 $ bash hello.sh

Bold: Indicates a new term, an important word, ...

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