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Answer the following questions as briefly (but completely) as possible: 1. Try out the following commands: i. echo this is file number one > README [Enter] ii. echo this is file number two > readme [Enter] iii. Is What does this show about how Unix treats filenames? 2. Create a directory using "mkdir" and change into that directory using "cd". Next, create another directory within the new directory and then change into that directory. Now, run cd without any arguments, then run pwd. What do you conclude about the cd command? 3. You won't find the cd command in either /bin or /usr/bin, or in any directory listed in the PATH setting. How is it executed then? (That is, if there is no cd executable, why doesn't this command cause a "command not found" error?) 4. Why shouldn't you have a filename beginning with a"-" (dash)? 5. When will you use a section number as an argument to man? 6. What does "deprecated" mean? 7. Can you have the same login name more than once in the who output? What would cause that? 8. Which command does the ordinary user use to change the system date and time?' 9. If you find that your keystrokes are not being echoed, or appear in a strange font, or as graphics, what remedies should you try? 10. What key do you press to erase the last character typed? The last word? The entire line?
modify the range accordingly or terminate the program. The program must do up to 20 guesses
Write down at least three benefits and three negative effects brought about by workplace automation.
Based on your understanding of how AES was chosen, what is your opinion of the criteria used?
An Internet phone application generates packets
calculate and display the total retail value of all products sold. Use a sentinel-controlled loop to determine when the application should stop looping display the final results.
Describe the conceptual model of a two-dimensional array. Include in your explanation how a two-dimensional array might be used, why these arrays are similar to tables, and how to declare and initialize a two-dimensional array.
create a website consisting of many pages organized in groups of pages linked off of the main page. The website hierarchy and key page namesare given
Describe the trade-offs between your solution and a single multiprocessor-based computer system solution.
What u think about the article Database fight funding cuts
Write an HTML5 element (or elements) to accomplish each of the following tasks: a. Students were asked to rate the food in the cafeteria on a scale of 1 to 10.
What is the asymptotic complexity of the following function and how did you arrive to this answer.
Let T(n) be the running time of Yum(n). Find the order of T (that is find a function f(n) such that T?0(f)). (Assume that the real arithmetic is carried out exactly and is not subject to floating point round off errors.)
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