5.7Performance Assessment Looping Constructs

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Apr 3, 2024

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Questions - these will total to maximum 25 points Please copy paste these in the document with your screenshots and write your answers below each question. 1. Why is it a bad idea to modify the HOME variable? The home variable is a standard environment variable used by various programs and utilities to determine the user's home directory. Altering it can lead to inconsistencies and unexpected behavior across different programs and scripts that rely on it. 2. Discuss one example of where a shell script might be useful.

Shell scripting could be useful when you are automating routine system maintenance. For example, in my discission I wrote about performing regular backups and this would be a great example of when shell scripting would be useful. 3. What is the exit code for a successful command execution? The exit code for a successful command is normally “0”. The code indicates success and anything other than that would indicate an error or failure. 4. What is the range of exit codes for an unsuccessful command execution? The range of exit codes for an unsuccessful command execution typically spans from 1 to 255. 5. What does the wc command give us? The “wc” is used to display the number of lines, words, and bytes in one or more files or standard input streams. It counts the lines, words, and bytes in a file.

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