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There are 3 parts to this practical portion. All three parts…

There are 3 parts to this practical portion. All three parts require you to run commands in a pwn.college dojo terminal. Navigate to the: Pondering paths module and activate the terminal in the root challenge.  Part 1 Everything in Linux is a file, even operating system specifics. Read the /etc/issue.net file to determine which Linux distribution version the dojo is running. Record the commands you used and the result in your answer. Part 2 Task: Navigate to /usr/bin and perform a long-format listing of all files starting with “s”. Task: Save that listing to a file in your home directory named s_commands.txt. Task: Change the permissions of s_commands.txt so the Owner has read/write access, but Group and Others have no permissions (numeric or symbolic). Commands listing requirement: List all commands used to complete this task including the number of paths Screenshot 2 Requirement: A listing of your home directory showing the new file and its updated permissions. Part 3 The wc command counts words by default, but is also useful for counting lines. Task: Find all files in the /etc directory ending in .conf (with a search depth of 2). Task: Count how many of these files exist using a pipe and the wc command. Task: Count the number of file paths saved in this file (except for /etc/deluser.conf, don’t count that one). Requirements: What is the count? List all the commands used to get the count .conf files Part 4 Task: Search /etc/passwd for lines containing “nologin” and redirect those lines to a file named restricted_users.txt. Task: Count how many users were listed using a pipe and the wc command. Requirements: List the count and all the commands used to solve this part. Clearly answer all 4 parts within this text box for this question.

Suppose you were analyzing the use value of a public beach,…

Suppose you were analyzing the use value of a public beach, and controlling for income, age, preferences, and everything else that might affect beach visits, you have gathered the following data: Travel Cost Number of day trips/year $0 50 $30 20 $49 1 $50 0   a.  (12 points) If there are 1000 people in each of the three travel cost categories ($0, $30, $49), what is the approximate total consumer surplus arising from day trips to this beach? b.  (8 points) Your boss needs help evaluating a decision to close this particular beach in order to preserve habitat for an endangered sea bird called a plover that inhabits only this stretch of beach. From a CV study you know that US citizens are willing to pay (WTP) $1,500,000/year  to preserve the plover.  Based on your analysis, do you conclude that protecting the plover is efficient?