UNIX_Tutorial_-_Richard_C - Learning UNIX CSWUG 2007...

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Learning UNIX CSWUG 2007 Richard Clark Collaboratory for Advanced Computing & Simulations Department of Physics & Astronomy University of Southern California Email: [email protected]
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Outline Introduction to UNIX Text Editor - NANO Basic Commands File Manipulation Permissions Processes Important Utilities Running a Program Remote Login Procedures
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Introduction to UNIX What is UNIX? UNIX is an operating system (OS) and set of related utility programs It is the manager of everything going on in your computer Advantages of UNIX: Many Users can use the same computer at the same time Can run many different things simultaneously
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How Things Work in UNIX A Few Terms to Know: Shell: The program you use to interact with the computer File: Stored info and all your devices (like disk drives and printers) Processes: All Programs that running Rules for Names: Case Sensitive (ie. “Happy.txt” is different than “happy.txt”) Extensions Irrelevant (for now…)
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Using the Shell Login Procedure: login: password: Changing your Password: After logged in, type: passwd (you will type in the old password once, and the new one twice)
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Using Text Editor - NANO Start with: nano - to start the editor with a new file nano filename - to start editing “filename” (creates if doesn’t exist) The commands are listed at the bottom of the window Delete character: ^d Ctrl-d Save: ^o Ctrl-o Exit: ^x Ctrl-x (also saves if desired)
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Exercise: Writing Files Type nano and create a file called - unix.notes Include in it answers to the following: A Shell is… A Process is…
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