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Week 12 Agenda: Hyland Field Trip, Tiny Circuits Review, and Linux Intro

Join us for Week 12 of our agenda where we will discuss old business, delete unnecessary files, and introduce new topics of interest. Highlights include an upcoming field trip to Hyland on February 21st, a review and demo of Tiny Circuits and Arduino, a continued introduction to Linux, and an exploration of scripting. We’ll also preview future meetings focused on gaming, operating systems, networks, peripherals, storage, and cloud technologies. Don't miss this informative session!

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Week 12 Agenda: Hyland Field Trip, Tiny Circuits Review, and Linux Intro

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  1. V2012.13
  2. Agenda Old Business Delete Files New Business Week 12 Topics: Coming up: Hyland Field Trip: Feb 21st Tiny Circuits/Arduino Review/Demo Linux Intro (continued) Scripts/scripting
  3. Future Meeting Preview GAMING OPERATING SYSTEM NETWORK PERIPHERALS STORAGE CLOUD I/O DATA & DATABASES CPU NETWORK GRAPHICS GRAPHICS APP DEVELOPMENT VIRTUAL MEMORY LANGUAGES
  4. New Business Tiny Circuits/Arduino Review/Demo Getting Started w/ Arduino Simple Demos Intro to Linux Scripts/scripting Example
  5. Basic Commands Commands take the following form: <Command> <Switches> <Parameters> <Target> Switches: single letters, preceded by a hyphen, that adjust what the command does Parameters: things that the command needs to know in order to work Target: the thing (such as a file) that the command will be applied
  6. Basic Commands - grep grep
  7. Create Your First Script Open a text editor Menu->Accessories->gedit Scripts always begin with: #! /bin/bash Save your script (date.sh) Make the script executable $ chmod +x date.sh Run your script $ ./date.sh
  8. Create Your First Script Output $ ./date.sh Fri Mar 8 13:27:05 EST 2013
  9. Create Your First Script Your Challenge: Let’s add some features Display only the date Display the Day
  10. Create Your First Script
  11. Create Your First Script (date.sh) Output $ ./date.sh Today's date is: March 8 The day of the week is: Friday The year is: 2013 The complete date is: Friday, March 8, 2013
  12. Create Your First Script (date.sh) #!/bin/sh echo -n "Today's date is: "; date +"%B %-d" echo -n "The day of the week is: "; date +"%A" echo -n "The year is: "; date +"%Y" echo -n "The complete date is: "; date +"%A, %B %-d, %Y"
  13. Script to Display Memory (mem.sh) #! /bin/bash # Total memory space details echo "Memory Space Details" free -t -m | grep "Total" | awk '{ print "Total Memory space : "$2 " MB"; print "Used Memory Space : "$3" MB"; print "Free Memory : "$4" MB"; }' echo "Swap memory Details" free -t -m | grep "Swap" | awk '{ print "Total Swap space : "$2 " MB"; print "Used Swap Space : "$3" MB"; print "Free Swap : "$4" MB";
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