In our Shell scripting 101 today, we’ll learn how to make use of if else in shell script and what different situations require the use of the if and else statement in Linux. A demonstrated use of “if statement” was done in our previous tutorial about break and continue statements. The different basic syntax for […]
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In our previous tutorial, we learned the use of the while loop in shell scripts. Now, let’s make use of the break and continue statement in Linux and manipulate the flow of loops. As we know, a loop will end if the condition supplied to it becomes FALSE. But what if you’re running a loop
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In the previous shell scripting 101s, we covered arrays and variables in shell scripts for Unix and Linux environments. In this tutorial, we’ll cover the while loop in shell script. A while loop in shell scripts is used to repeat instructions multiple times until the condition for the loop stays true. Loops have a lot of
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In the previous shell scripting tutorial, we worked with simple variables in shell scripts. Today we’ll cover arrays in shell scripts, and how we can create and make use of arrays within our scripts. To declare or create arrays on the fly, we will use the declare command (more explicit) or directly write array_name=(element1 element2
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In this article of the shell scripting tutorial series, we’ll learn how to create and use variables in shell scripts. We’ll walk through the different variables that we can make use of that are provided by the system for the Bourne Shell and how to create custom variables to use throughout a shell script. Variables
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If you’re wondering what symbolic links are and how to create symbolic links in Ubuntu, you’ve arrived at the right tutorial. Even though this is a very simple concept, symbolic links are very useful when working with Linux. The reason why symbolic links are necessary is because of the fact that everything in Linux is
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In this tutorial, we’ll cover the killall command in Linux. We recently posted a tutorial on the kill command in Linux where we covered the usage and the functionality of the command. Today, we’ll go over how to use the killall command in Linux, and understand the difference between kill and killall commands. What is
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This article provides an introduction to programming the BF533 STAMP board and is meant for readers with some expertise in UNIX and also with embedded devices. It contains a basic description of utilizing the board for embedded programming as I actually have dodged any drawback. Softier’s native-DSP UNIX, the Blackfin uClinux can run as a
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Epiq Solutions, an engineering firm specializing in the development of versatile wireless communications systems, has declared Matchstiq, which it claims is the world’s smallest commercially offered Software Defined Radio (SDR). Matchstiq includes an Atlas-I-LPe pc module developed by iVeia inc, that combines a Xilinx® Spartan®-6 LX45 FPGA with a Texas Instruments 1 GHz ARM Cortex-A8
Embedded Linux powers first handheld software-defined radio Read More »
Smartphones portrayed twenty-three percent of all French telephone sales to U.S. shoppers within the fourth quarter of 2008, compared to only twelve percent within the previous quarter, per the NPD cluster. Led by the discharge of Apple’s iPhone 3G at $199, the typical value for a smartphone fell twenty three percent from $216 within the
Smartphones Strong Despite Recession 2008 Read More »