Lecture 04 - PC & UNIX Login - 08

Lecture 04 - PC & UNIX Login - 08 - Lect 4 P. 1...

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Unformatted text preview: Lect 4 P. 1 Engineering H192 - Computer Programming Winter Quarter The Ohio State University Gateway Engineering Education Coalition Introduction to UNIX Lecture 4 Lect 4 P. 2 Engineering H192 - Computer Programming Winter Quarter The Ohio State University Gateway Engineering Education Coalition Computing Environment PC vs. UNIX Most Personal Computers use some version of the Microsoft Windows operating system (possibly Win2000 or, more likely, WinXP or Vista). Current edition of the C How To Program book has a CD with Visual C++ 2005 Express Edition. More on development environments later. UNIX is an operating system used primarily on workstations. There are versions for Personal Computers. LINUX is a version of UNIX. Each UNIX has its versions of C and C++ languages. Lect 4 P. 3 Engineering H192 - Computer Programming Winter Quarter The Ohio State University Gateway Engineering Education Coalition UNIX Originally written by programmers for programmers at Bell Labs. Often is the operating system of choice for high- performance engineering workstations. Original (and still common) user interface is the "UNIX command line", although graphic user interfaces (GUIs) are available. Names of UNIX commands tend to be a little cryptic or strange. Lect 4 P. 4 Engineering H192 - Computer Programming Winter Quarter The Ohio State University Gateway Engineering Education Coalition UNIX Command Line Interface We will use the "UNIX command line" user interface for much of the work in this class. The availability of some limited graphic user interface capabilities is provided by special terminal emulation software. The emulator runs on the PC and makes the PC system act like an "X-Windows" terminal and is called XWin32 (OSU site licensed). Simple Secure-Shell terminal emulation can also be used (OSU site licensed). Lect 4 P. 5 Engineering H192 - Computer Programming Winter Quarter The Ohio State University Gateway Engineering Education Coalition Some Simple UNIX Commands Simple Command UNIX MS/DOS List files in directory ls dir Delete a file rm file del file Display contents of file on screen cat file type file Display contents of file on screen more file more < file Print working directory pwd pwd Change directory cd /path/new cd \path\new Lect 4 P. 6 Engineering H192 - Computer Programming Winter Quarter The Ohio State University Gateway Engineering Education Coalition Your Computer Accounts Each student actually has two separate computer system accounts for ENG H192: One for the personal computers One for the UNIX system (Linux) Each account is established only for the duration of the current quarter (i.e., the files stored under your Au Quarter's H191 account(s) on the PCs may be gone) Each account has a separate, distinct password for logon. Changing the password on one system (PC) does NOT change on it the other system (UNIX). Lect 4...
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This note was uploaded on 08/05/2011 for the course H 192 taught by Professor Glimcher during the Winter '08 term at Ohio State.

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Lecture 04 - PC &amp; UNIX Login - 08 - Lect 4 P. 1...

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