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POS/420 Introduction to Unix Philip Robbins – March 12, 2013 (Week 1)
University of Phoenix Mililani Campus
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Agenda: Week 1 Introductions Review Syllabus Week 1
History of Unix, Linux, and GNU UNIX / Linux Distributions Download & Install VM Player & Ubuntu Linux Watch video on Linux (1h 20m) Run Ubuntu Learn some basic commands within Terminal Quiz #1 2
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What is Unix Developed by Ken Thompson
Bell Labs (AT&T) in 1969 and released in 1971. Operating System initially written in assembly then in C. 3
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The GNU Project 1983, Richard Stallman @ MIT
Freeware Collaboration project To give computer users freedom and control Develop and distribute software with the following rights: Users are free to run the software Share it (copy & distribute) Modify it 4
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The GNU Project 5
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The GNU Project 6
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What is Linux Linux is an Operating System (OS) just like Windows and MAC OS. Linux Kernel designed by Linus Torvalds Linux is open source and free (GNU 1992) Approximately 60% of servers use Linux. 7
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What is Unix / Linux OS used on top 500 Supercomputers 8
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Evolution of Unix 9
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Tux 10
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The Top 10 Linux Distributions (2012)
Linux Mint Mageia Ubuntu Fedora openSUSE Debian Arch Linux PCLinuxOS Zorin OS CentOS 11
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Linux Mint 12
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Mageia 13
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Ubuntu 14
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Fedora 15
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openSUSE 16
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Debian 17
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Arch Linux 18
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PCLinuxOS 19
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Zorin OS 20
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CentOS 21
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Advantages of Linux No constant rebooting
Start/stop services without interrupting others Portable Flexible Downloadable Applications Settings aren’t hidden in code or registries Open Source Distribution Freedom 22
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Advantages of Linux Linux Server 23
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What is a shell? 24
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What is a shell? 25
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What is a shell? 26
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What is a shell? 27
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What is a shell? 28
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What is a kernel? Central component to most Operating Systems
In charge of all access to computer resources Standard interface to system hardware Implements multitasking for processes continuously competing for system resources (enforcing isolation). 29
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Let’s Install Linux! Work in Teams & help each other!
Download Ubuntu 12.10 Ways to install: .ISO file (Burn to DVD) Live CD Bootable USB Dual Boot Binaries Virtual Machine (VM) 30
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Install VM Player Download VMware Player
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Run Ubuntu VM Download & Extract “VM.rar”
Download winrar Run “POS420VM.vmx” 32
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Break Let’s take a break… 800PM
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Run Ubuntu VM Login to Ubuntu 12.10 Username: student Password: 3 34
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Search for Terminal 35
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Run Terminal (Use F11 for fullscreen)
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man man 37
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man ls 38
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List directory contents
List the directory contents for student account. 39
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List directory contents
List the directory contents for student account. 40
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man pwd 41
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Print Working Directory
pwd for student account. 42
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man passwd 43
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Change your password Change password for student to “password”. 44
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man sudo 45
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Enable root (administrator)
Change password for root to “password”. 46
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man su 47
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Log in as root 48
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man shutdown 49
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Restart system 50
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Week 1 Linux VM Changes Enabled root account
Password for “root” is now “password” Password for “student” is now “password” 51
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Week 1 List of commands man – manual pages
ls – list directory contents pwd – print working directory passwd – change password sudo – execute command as superuser su – login as superuser shutdown – shutdown 52
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Quiz: Week 1 10-15 minutes
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