PPT-The Shell & You A brief-but-broad Introduction to the Command Line

For the Inquisitive Mac Sysadmin Part I of Who is this guy Sr Application Developer The Wharton School UPENN Run with an excellent team a Linux RHEL HPC research cluster Much of my job entails scripting bash . ace decdadcd good pe ni worthes, but mon ycan not moue, I keepe a fayer, but 8 good pe ni worthes but mon ycan not moue, Ikeepe a fayer but good pe ni worthes, but mon ycan not moue, Ikeep a fayer, bu Basic scripting. Interpreted Languages . vs. Compiled Languages. Compiled languages: good for medium and large-scale complicated number crunching programs . Fortran, . Ada. , Pascal, C, C++. The programs are translated from their original source code into object code which is then executed directly by the computer's hardware.. . Each shell is opened with a set of variables.. Some of them are defined by the system and some are defined by the user.. Environment variables set by the user will always be “stronger” then the variables set by the system.. Assignment 1. Shell. It is called a "shell" because it hides the details of the underlying OS behind the shell's interface.. In the Unix operating system users can select which shell they want to use. . Bob Eager. Using UNIX. 1. Introduction. we shall, for convenience, use the UNIX™ name to cover all systems that look like UNIX, as well as those which are officially entitled to use the name. recap:. Presented by:. Shailender Nagpal, Al Ritacco. Research Computing. UMASS Medical School. AGENDA. Shell basics: Scalars, Arrays, Expressions, Printing. Built-in commands, Blocks, Branching, Loops. String and Array operations. February 23, . 2016. Introduction. George Garrett. &. The HPC Support Team. Research Computing Services. CUIT. Introduction. Please Leave . F. eedback. Introduction. Slides will be sent out afterwards.. Why use the Bash Shell and the CLI?. 1. . Control – the command line permits users to include options that provide both flexibility and power over the defaults when issuing commands by GUI. . 2. Speed – many programs issued at the command line are text-based and therefore will start faster and run faster than GUI-based programs. . Chapter . 16. Deciphering the Command Line interface. Shells. Accessing the Command-Line Interface. cmd. Accessing the Command-Line Interface in Mac OS X and Linux. terminal. The Command Prompt. C:\> username:/home. Part 2 – Loops, shell scripts, and Finding things. Quick . review OF UNIX COMMANDS. ls – list all files and directories in . current directory. p. wd. – shows current location/directory. mkdir. Shirley Moore. CPS 5401 Fall . 2013. www.cs.utep.edu/svmoore. svmoore@. utep.edu. August 29, 2013. 1. What is a Shell Script?. Normally shells are interactive – a shell accepts a command from you and executes it.. Unit 3 Overview This unit introduces you to the Incident Command System (ICS) Functional Areas and roles of the Incident Commander and Command Staff. By the end of this unit, you should be able to: 15-213: Introduction to Computer Systems. Recitation 6: Monday, Sept. 30, 2013. Marjorie Carlson. Section A. Weekly Update. Buffer Lab is due Tuesday (tomorrow), 11:59PM. This is another lab you don’t want to waste your late days on.. Don Johnson of BU . IS&T. We’ll start with a sign in sheet that include questions about your Linux experience and goals.. We’ll end with a class evaluation.. We’ll cover as much as we can in the time allowed, starting with the easiest and most important material. Don’t feel rushed; if we don’t cover everything, you’ll pick it up as you continue working with Linux..