Switch case in shell scripts is an efficient alternative to the if-elif-else statement we learned previously. The concept of the switch case statements is that we provide an expression for different cases (conditions) to the statement that, when fulfilled, will execute specific blocks of commands. Let’s learn how to create a switch case block and how it […]
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As a Linux user, or as a server administrator, you need to regularly understand how long your servers have been up and running to understand their patch levels. What that means is that if a major update was recently rolled out, but a server has been up for a few weeks, you know that the
The uptime Command in Linux Read More »
After learning the basics in our previous tutorials about if-else statements, switch-case statements, etc, it’s time to create functions in shell scripts. Functions help us divide scripts into different sections and make the code more portable as well as reusable. Defining Functions in Shell Scripts The basic syntax for defining a function is just the
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Continuing our series, in today’s article, we’ll go over the until loop in shell scripts. We’ve already covered for loops and while loops in shell scripts in our previous tutorials. You’ll find a lot of similarities in the while and until loop so we’ll also look at the differences between both the loops in this
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We talked about the while, for, and until loops in shell scripts in the past few tutorials now. Let’s learn the select loop in shell scripts, a very interesting and unique loop in bash. Why is it interesting or unique? Let’s find out in this tutorial today. What is the select loop in Shell Scripts?
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With the introduction of Ubuntu 16.04 LTS, the “apt” command started being noticed by bloggers and average Linux users. Every Ubuntu-based tutorial that popped up on the internet used apt install instead of what we were normally used to seeing, i.e. apt-get install. Let’s see what exactly the apt command is, and why a new
Difference Between apt and apt-get Commands in Linux Read More »
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
The killall Command in Linux Read More »
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
Another Native DSP Linux Port – ADIS Blackfin Read More »
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 »