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Shell Programming for System Administrators (SA-245)

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Shell Programming for System Administrators (SA-245) Prerequisites To succeed fully in this course, students should be able to: Use basic UNIX commands, such as rm, cp, man, more ...

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Shell Programming for System Administrators (SA-245) Prerequisites To succeed fully in this course, students should be able to: Use basic UNIX commands, such as rm, cp, man, more,  mkdir, ps, and chmod Create and edit text files in vi or a text editor Course Content Module 1 - UNIX Shells and Shell Scripts Describe the role of shells in the UNIX environment Describe the standard shells Define the components of a shell script Write a simple shell script Module 2 - Writing and Debugging Scripts Start a script with #! Put comments in a script Change permissions on a script Execute a script Debug a script Module 3 - The Shell Environment Use Bourne and Korn shell variables Assign values to shell variables Display the value of shell variables Make variables available to subprocesses using the export statement Display the value of environment variables Unset shell and environment variables Customize the user environment using the .profile file Perform arithmetic operations Create and use aliases Display aliases and the values assigned to them Define the built-in aliases Customize the Bourne and Korn shell environments Use the tilde expansion and command substitution features of the Korn shell Module 4 - Regular Expressions and the grep Command Use and describe regular expressions Describe the grep command Use the grep command to find patterns in a file Use the regular expression characters with the grep command Module 5 - The sed Editor Use the sed editor to perform noninteractive editing tasks Use regular expression characters with the sed command Module 6 - The nawk Programming Language Use nawk commands from the command line Write simple nawk programs to generate data reports from text files Write simple nawk programs to generate numeric and text reports from text files Module 7 - Conditionals Use the exit status of a command as conditional control Use the "if" statement to test a condition Pass values ...

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