The HTML <script> tag serves for embedding client-side scripts, whether containing scripting statements or linking to an external script file. Basically <script> HTML element is used to embed executable code or data and it dynamically alters the content, manages form validation, and manipulates page styles, enhancing user interactivity and experience.

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After successfully installing the Android Studio and opening it for the first time. We need to start with some new projects to start our journey in Android.

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Android Studio provides a platform where one can build apps for Android phones, tablets, Android Wear, Android TV, and Android Auto. Android Studio is the official IDE for Android application development, based on IntelliJ IDEA. One can develop Android Applications using Kotlin or Java as the Backend Language, and it provides XML for developing Frontend Screens.

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SORT command is used to sort a file, arranging the records in a particular order. By default, the sort command sorts file assuming the contents are ASCII. Using options in the sort command can also be used to sort numerically.

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he command-line interface in Linux provides powerful tools for users, and mastering command history is essential for efficient navigation and retrieval of previously executed commands. The history command is a valuable utility that allows users to view and search through their command history.

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The cut command in linux is a command for cutting out the sections from each line of files and writing the result to standard output. It can be used to cut parts of a line by byte position, character, and field. The cut command slices a line and extracts the text. It is necessary to specify an option with a command otherwise it gives an error.

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In batch scripting, the echo command can be used to display a message, variable value, or system information on the console. The command can be followed by a message or text string enclosed in double quotes. For example, echo “Hello, World!” will display the message “Hello, World!” on the console.

Why use Batch Script – Echo Command?

Here are a few reasons why the echo command is commonly used:

1. Displaying messages: The echo command can be used to display messages or information on the console or in a text file. This is useful for providing feedback to the user, displaying error messages, or providing instructions.
2. Displaying variables: Batch scripts often use variables to store information or data. The echo command can be used to display the value of a variable on the console or in a text file, making it easier to debug and troubleshoot scripts.
3. Debugging: The echo command can be used to debug scripts by displaying the values of variables, commands, or system information. This can help identify errors and improve the efficiency of scripts.
4. File output: The echo command can be used to redirect output to a file, making it easier to save and share information. This can be particularly useful when generating reports or logs.
5. Script automation: Batch scripts can automate repetitive tasks, making them more efficient and less prone to human error. The echo command can be used to provide feedback and ensure that scripts are running as expected.

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Batch Script is a file that consists of various commands which need to be sequentially executed. It is not like coding and is not frequently used, in order to communicate with the OS through a command prompt, the user can use Batch Script. The commands are known as Batch commands.

Logging refers to the process of converting the command line scripts into .log files or text files. The command processor creates real-time activity logs which collect all the information regarding batch commands and statistics.

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We are going to learn how to take input from users using Batch Script.

Taking User Input:

@echo off
echo Batch Script to take input.
set /p input= Type any input
echo Input is: %input%
pause

Explanation:

• The first ‘echo’ command is used to print a string.
• In the next line, ‘set  /p’ command is used to take user input followed by a variable that will hold user input.

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