10 Mar

AWK Arrays Explained with 5 Practical Examples

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Awk programming language supports arrays. As part of our on-going awk examples series, we have seen awk user defined variables and awk built-in variables. Arrays are an extension of variables. Arrays are variable that hold more than one value. Similar to variables, arrays also has names. In some programming languages, arrays has to be declared, [...]

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08 Mar

How to Convert Text Document to Speech on Ubuntu Using eSpeak

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Ubuntu espeak is a speech synthesizer for English (and several other languages) which will convert text to speech. You can straight away execute espeak command on your Ubuntu machine without any installation or configuration. In this article, let us review 8 examples of espeak command. espeak Example 1: Speak the words specified in command line This is the default [...]

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05 Mar

How to Open Multiple Websites (tabs) in Firefox during Startup?

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Question: How do I set multiple home pages in firefox? i.e I would like to open more than one website automatically when the firefox starts. Answer: Please follow the steps mentioned below to open multiple tabs in Firefox during startup. Step 1: Go to Firefox Options Window Go to: Tools menu -> Option menu-item -> Main Tab. Step 2: [...]

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03 Mar

Bash Scripting Introduction Tutorial with 5 Practical Examples

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Similar to our on-going Unix Sed and Unix Awk series, we will be posting several articles on Bash scripting, which will cover all the bash scripting techniques with practical examples. Shell is a program, which interprets user commands. The commands are either directly entered by the user or read from a file called the shell script. Shell [...]

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01 Mar

30 Things To Do When you are Bored and have a Computer

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Read technical blogs – There are several technical blogs out there, that produce high quality content everyday. There are 9600+ technology blogs listed in the technorati website. Browse the technology blog list and read the blogs that interests you. As always you can browse our blog archive section for Linux related articles that you [...]

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26 Feb

Cobol Hello World Example: How To Write, Compile and Execute Cobol Program on Linux OS

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Question: I would like to understand the basics of how to write and execute Cobol program on Linux OS. Can you explain it with a simple example? Answer: In this article, let us review very quickly how to write a basic Hello World Cobol program and execute cobol program on Linux or Unix OS. 1. Write a [...]

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24 Feb

Caught In the Loop? Awk While, Do While, For Loop, Break, Continue, Exit Examples

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This article is part of the on-going Awk Tutorial Examples series. In our earlier awk articles, we discussed about awk print, awk user-defined variables, awk built-in variables, awk operators, and awk conditional statements. In this article, let us review about awk loop statements – while, do while, for loops, break, continue, and exit statements along with [...]

Read More: Caught In the Loop? Awk While, Do While, For Loop, Break, Continue, Exit Examples


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22 Feb

MYSQL_PS1: 6 Examples to make your mysql> prompt like Angelina Jolie

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A while back we tried to customize unix prompt to look like Angelina Jolie. Oh boy, didn’t I fail miserably in that attempt? Well, that didn’t stop me from trying an extreme makeover for mysql> prompt. Let us face it. The following mysql> prompt is boring. Nobody wants to see it. Let us change the default mysql> [...]

Read More: MYSQL_PS1: 6 Examples to make your mysql> prompt like Angelina Jolie


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