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comp11f09lab0 - Comp 11 Fall 2009 Lab 0 Its a Unix System.I...

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“It ʼ s a Unix System...I know this” 1. Beginnings The format of this lab should be fairly simple to follow. There will be some background information, then you will be asked to do something at your workstation. The instructions for what you need to do are in grey boxes. Each week there is a sign in sheet. Each week you will submit your solution via the provide command, details below. To get credit for the lab each week you must sign the login sheet AND provide your code electronically. Complete this portion as soon as possible! Your assignment is to go to Halligan Hall (161 College Ave) Rm 118 and login into one of the lab computers. Most of you have had your accounts and their corresponding logins created automatically. This exercise is to test if you have an account. Your EECS username is the same as your UTLN, the password is the same as your Trumpeter account. Enter your EECS username and password, then click the button to log in. If you are able to login, feel free to play with the desktop environment. Be sure to logout before you leave. If you are unable to login, the first thing to try is resetting your password. You will need your Trumpeter email login and password. Please visit this website, http://www.cs.tufts.edu/~accounts If you do not think your account has been created or you cannot log in after resetting your account on the accounts page, please visit the IT department for the computer science department located on the second floor of Halligan Hall. Their office hours are 9-5 M-F. Maneuvering the desktop The linux desktop looks like the GUI desktops you are used to with a few differences. Take a minute to play around and investigate. There are a few key programs you should find: Firefox, Emacs, Terminal. Another important thing to find: LOGOUT. The Command Prompt - The Terminal Window Until Apple popularized the graphical user interface (GUI) in the late 1980s, the ONLY way to interact with a computer was by typing text-based commands. When a computer would boot up, it would initially offer up a “command prompt.” This is just another way to launch a program, and we launch programs using commands . When the program is running, it controls all input and output to the terminal. When the program completes, the command prompt returns ready to help you run another program. Comp 11 Fall 2009 Lab 0 Page 1/7
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So what is a command exactly? A command is always in one of the following forms: program-name program-name argument1 argument2 … So the first part of a command (before the first space) is the name of the program to be run. Sometimes, a command will need additional information we call arguments . We ʼ ll come back to this in a second. Your First Commands 1. Launch the terminal program. 2. Make sure the terminal window is the currently selected window. If it is not, click on it to make it so.
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