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15. View the documentation for who, and then view the documentation for w. How are these commands similar? 16. Run the who -uH and w commands using one command-line sequence to compare the results. 17. Determine when the computer on which you are working was last booted. 18. Use the command-line history function to determine the most recent two com- mands you entered. 19. Run the who -H, cal 2009, and clear commands using one command-line sequence. What do you end up with on the screen? 20. Use the history function to retrieve the command line you used in Exercise 19. Use the edit function to remove the word "clear" and replace it with "date." Next, go to the beginning of "cal" and delete the text on the line from "cal" to the end. Now, change the -H to -u. Finally, add "date -u" so that your final command-line entry is who -u; date -u. Execute the command-line entries.

15. View the documentation for who, and then view the documentation for w. How are these commands similar? 16. Run the who -uH and w commands using one command-line sequence to compare the results. 17. Determine when the computer on which you are working was last booted. 18. Use the command-line history function to determine the most recent two com- mands you entered. 19. Run the who -H, cal 2009, and clear commands using one command-line sequence. What do you end up with on the screen? 20. Use the history function to retrieve the command line you used in Exercise 19. Use the edit function to remove the word "clear" and replace it with "date." Next, go to the beginning of "cal" and delete the text on the line from "cal" to the end. Now, change the -H to -u. Finally, add "date -u" so that your final command-line entry is who -u; date -u. Execute the command-line entries.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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15. View the documentation for who, and then view the documentation for w. How are these commands similar? 16. Run the who -uH and w commands using one command-line sequence to compare the results. 17. Determine when the computer on which you are working was last booted. 18. Use the command-line history function to determine the most recent two com- mands you entered. 19. Run the who -H, cal 2009, and clear commands using one command-line sequence. What do you end up with on the screen? 20. Use the history function to retrieve the command line you used in Exercise 19. Use the edit function to remove the word “clear" and replace it with “date.” Next, go to the beginning of "cal" and delete the text on the line from "cal" to the end. Now, change the -H to -u. Finally, add "date -u" so that your final command-line entry is who -u; date -u. Execute the command-line entries.
Transcribed Image Text:15. View the documentation for who, and then view the documentation for w. How are these commands similar? 16. Run the who -uH and w commands using one command-line sequence to compare the results. 17. Determine when the computer on which you are working was last booted. 18. Use the command-line history function to determine the most recent two com- mands you entered. 19. Run the who -H, cal 2009, and clear commands using one command-line sequence. What do you end up with on the screen? 20. Use the history function to retrieve the command line you used in Exercise 19. Use the edit function to remove the word “clear" and replace it with “date.” Next, go to the beginning of "cal" and delete the text on the line from "cal" to the end. Now, change the -H to -u. Finally, add "date -u" so that your final command-line entry is who -u; date -u. Execute the command-line entries.
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