Software and Operating Systems

Software

• A set of instructions written in a computer language to carry out a specific task

Operating Systems

• Windows, Linux, Mac• What’s the differences?• GUI – Graphical User Interface

Operating System Software

• A collection of software that manages computer software resources and provides common services for computer programming

• Intermediary between programs and hardware

• Controls time-sharing between processors

Operating System Software

• Task Manager

Operating System Software

• Disk Defragmenter

Windows

• Windows 98, XP, Vista, 7, 8• Most commonly used

operating system. • Began in 1995• MS-DOS 1985

Windows Pros

• You can play video games• Most commonly used?• Easy to learn and use (debatable)• Everything works on Windows• Lots of answers online about problems

Windows Cons

• It’s terrible.• Lot’s of security holes, viruses• Lots of features (sometimes too many)• Some inefficiencies or contradictory

programming

Linux

• Linux OS systems come in a large variety: Ubuntu, Fedora, Red Hat, Debian are all Linux Distributions

• Used by people who want the bare minimum, programmers, computer geeks

Linux Pros

• What’s the difference? Mostly the GUI.• Better management of resources, better GUI’s,

better security• Open Source – less viruses• Easier to configure• Flexible• Access• http://arstechnica.com/information-technolog

y/2013/10/the-navys-newest-warship-is-powered-by-linux/

Linux Cons

• Very steep learning curve – Unix Commands• Bare bones• Very easy to mess up your operating system• No games

Mac OS

• OSX Lion, Mac OSX, Mountain Lion

Mac Pros

• GUI is really good• Easily Interface-able with other Apple

products• Built off of the Linux/Unix• OS is lightweight and manages multiple

programs well• Very small number of viruses

Mac Cons

• Vulnerabilities haven’t been tested by hackers• Expensive. Can’t get Mac OS unless you buy a

Mac

Useful Software

• FLUX: http://stereopsis.com/flux/

Useful Software

• Secure LogMeIn: https://secure.logmein.com/

Useful Software

• PreyProject: http://preyproject.com/

Useful Software

• Soluto: https://www.soluto.com/

Useful Software

• VLC Media Player: http://www.videolan.org/vlc/index.html

Useful Software

• WinRar: http://www.win-rar.com/download.html?&L=0

Useful Software

• Snipping Tool

Useful Software

• Adblock and Adblock Plus: https://addons.mozilla.org/en-US/firefox/addon/adblock-plus/

https://chrome.google.com/webstore/detail/adblock/gighmmpiobklfepjocnamgkkbiglidom

Viruses and Anti-Virus

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