PPT-Basic Bash Scripting

Katherine Holcomb UVACSE Uses for Scripting Automate repetitive tasks Could also use languages like Perl or Python but its still handy to know some bash Write job scripts for the PBS queueing. 0 Vulnerabilities CVE20146271 Bash Environmental Variable Command Injection Vulnerability CVE20147169 Additional Fix for Bash Command Injection Vulnerability CVE20146277 This vulnerability exists becaus e of an incomplete fix for CVE20146271 and CVE Biowulf. Dr. David Hoover, SCB, CIT, NIH. hooverdm@helix.nih.gov. February 24, 2015. This Presentation Online. http://helix.nih.gov/Documentation/Talks/BashScripting.pdf. Guide To This Presentation. These lines are narrative information. 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.. Small Group. Lecture 4. How to Learn to Code Workshop. http://onish.web.unc.edu/how-to-learn-how-to-code-linux-small-group. /. Erin Osborne Nishimura. 1. Questions & Comments. Group pop quiz. You start to execute the following code on killdevil but it takes a long time to execute. What do you do? Also, what does this code do?. -2-c89(the POSIX.2 version ofcc), andyacc.Bash is concerned with the aspects of the shell'vior de BY:. KATPALLY AMRUSHA. ALIGAPALLY ANUSHA. Outline. Definition. Resources used. Parameters used in . autodialer. Flow chart. Autodialer. without scripting. Autodialer. with scripting. Features. Problem faced. 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. 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. . 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.. Session 1. March 6, 2008. A Very Brief History of Unix. Invented in late 1960s at AT&T Bell Labs. They were not allowed to sell it, so they licensed it to places like Berkeley, starting with Version 6. Overview. 2. How . to write a simple BASH shell script . Use . of common programming elements (variables, loops, . etc. ). How . to handle user interaction. How . to use common UNIX tools to parse and manipulate text . Perl & Chapter 5. Hey real quick aliases. Aliases. Aliases can be defined on the command line, in . .bash_profile. , or in . .bashrc. , using this form : . alias name=‘command’. unalias. will remove. Albert Lee. 2018-11-15. Print people. Put_Line (“IN CONNECT...”);. Put_Line (“ credentials: “ & Image (Credentials));. if Check_Credentials (Session, Credentials) then. Put_Line (“ credentials accepted”);. Explore Shell Scripting Using Bash (SC103) Practice Course

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