1. Linux Night brought to you by

2. Why are you here? Hopefully to learn
I do not claim to be a Linux expert one bit..
I wish
I am here to inspire you to broaden your horizons
I want you to feel familiar with Linux so you hopefully write some “free” code
What you should learn? Absolutely Nothing! Unless you go outside of this room.

3. Who has only used Windows?
Why? (hint: Your parents)
Windows has Market share

4. Which Linux is right for me?

5. Brief History of Unix

6. History of Linux
Linux History Chart:
Linus Torvalds October 1991
The Unix operating system was conceived and implemented in 1969 at AT&T's Bell Laboratories in the United States by Ken Thompson, Dennis Ritchie, Douglas McIlroy, and Joe Ossanna.
The GNU project, started in 1983 by Richard Stallman wanted a free version of Unix (Bell Labs)

7. Why make the switch to linux?
Linux is Free
Software repositories
Live CDs/USB’s
Community support/non commercial
more than 90% of today's 500 fastest supercomputers run some variant of Linux,[16] including the 10 fastest.

8. Linux is Free
Companies license the software to businesses and sell their support for a fee so the desktop versions are free (Canonical, Red Hat)
Open source, anyone can rewrite the kernel if you are so inclined

9. Software repositories
-All “safe” software has been added.
Debian, Ubuntu, Other APT based systems: sudo apt-get install <whatever you want>
Fedora, SUSE, Mandriva, RHEL, Other RPM based systems: yum install <whatever you want>
Installing, updating and removing software in Linux is typically done through the use of package managers such as the Synaptic Package Manager, PackageKit, and Yum Extender

11. How I got eclipse

12. How do I get stuff I can’t find in the software center?

13. Live CD’s/USB’s Boot straight from a CD or USB drive
Take it anywhere and still have all of your features
Drivers are supported directly at the kernel level so it is incredibly portable
Can even be installed simultaneously with other installations

14. Community support/non-commercial
Lots of software developers across the world use it and they will help you with your problems
There isn’t a commercial deadline or politics to get in the way of releasing
You can use any combinations of software you like
It is naturally more secure than Windows and because it is less mainstream people do not target the OS as much
All of the software in the repo is verified prior to being made available

15. Customizable Any Distro Any Layout Tons of software to choose from
Multiple Desktops
Blah blah blah

16. Terms I couldn’t slip in anywhere else…
GCC (GNU Compiler Collection)
GNU GRUB ( Grand Unified Bootloader)
Wine (WINdows Emulator or Wine Is Not an Emulator)

17. Referencegasm

18. Eclipse (Netbeans) IDE (Integrated Development Environment)
Reduces dependency on command line tools

19. Setting Up
Wrong!!!

20. Need the Dev tools… Help->Check For Updates
Help->Install New Software

21. Then we can make a fancy Project

22. Main.cpp #include <iostream> #include "mine.h" int main() {
int myint = 1;
for (int i = 0; i <100; i++)
myint = i + myint * 2;
std::cout << myint << " "; }
mine newObject;
std::cout << std::endl << newObject.getSome();
std::cout << " MyInt = " << newObject.getmyint();
std::cout << " Increment Ret Val = " << newObject.increment(5);
std::cout << " MyInt2 = "<< newObject.getmyint();
return 0;

23. Mine.h void helloWorld() { std::cout << "Hello World"; }
int increment(int incVal)
myint += incVal;
return (myint);
std::string getSome()
return caos;
int getmyint()
return myint; };
#pragma once
#include <string>
#include <iostream>
class mine {
private:
int myint;
std::string caos;
public:
mine()
myint = 0;
caos = "start some"; }

24. Eclipse Generated makefile
-include ../makefile.defs
# Add inputs and outputs from these tool invocations to the build variables
# All Target
all: MyProject
# Tool invocations
MyProject: $(OBJS) $(USER_OBJS)
@echo 'Building target:
@echo 'Invoking: GCC C++ Linker'
g++ -o"MyProject" $(OBJS) $(USER_OBJS) $(LIBS)
@echo 'Finished building target:
@echo ' '
# Other Targets
clean:
-$(RM) $(OBJS)$(C++_DEPS)$(C_DEPS)$(CC_DEPS)$(CPP_DEPS)$(EXECUTABLES)$(CXX_DEPS)$(C_UPPER_DEPS) MyProject
' '
.PHONY: all clean dependents
.SECONDARY:
-include ../makefile.targets
#########################################
# Automatically-generated file. Do not edit!
############################################
-include ../makefile.init
RM := rm -rf
# All of the sources participating in the build are defined here
-include sources.mk
-include subdir.mk
-include objects.mk
ifneq ($(MAKECMDGOALS),clean)
ifneq ($(strip $(C++_DEPS)),)
-include $(C++_DEPS)
endif
ifneq ($(strip $(C_DEPS)),)
-include $(C_DEPS)
ifneq ($(strip $(CC_DEPS)),)
-include $(CC_DEPS)
ifneq ($(strip $(CPP_DEPS)),)
-include $(CPP_DEPS)
ifneq ($(strip $(CXX_DEPS)),)
-include $(CXX_DEPS)
ifneq ($(strip $(C_UPPER_DEPS)),)
-include $(C_UPPER_DEPS)

25. My Makefile all: g++ main.cpp -o main
It can get much more complicated and if you were doing anything non-trivial it should get more complicated
Need a resource?

26. Make
In software development, Make is a utility that automatically builds executable programs and libraries from source code by reading files called makefiles which specify how to derive the target program. 

27. Directory Structure Reference