Reference no: EM131021030
I. Multiple Choice
DIRECTIONS: Save this document on your local machine. Use the blue-bordered box for your answers - for each question, type the answer you have selected into that box.
1. Which command is used to change the ownership of a file?
a. chmod c. setuser
b. mv d. chown
2. Which option to the rm command will cause the shell to prompt for confirmation before deleting each file in the parameter list?
a. -r c. -f
b. --interactive d. --prompt
3. Which of these numbers represents read-write permission for the owner and read permission for other groups (should be the default for a file created with vi)?
a. 622 c. 644
b. 755 d. 600
4. Which of the following are valid command-line operators?
a. | c. :)
b. <- d. all of the above
II. Short Answer
DIRECTIONS: Type the answer to each question in the blue box associated with it.
5. Write a command which will change the permissions on a file named boreworms.txt so that the owner of the file has read and execute permission, the group owner has read permission, and no one else has any access to the file.
6. Write a command which will search some of the files in your current directory for the string "mingo". All of the files which are of interest to you have the form flashcomicXXX.txt, where XXX is a 3-digit number.
7. Write a command which will move a file named boreworms.txt from your current working directory to the home directory of a user named lizardman.
8. Write a command which will display a word count of a file named flashcomic123.txt.
|
How are some animals able to see in the dark
: How are some animals able to see in the dark whereas the majority are able to see during daylight?
|
|
Compute amount of accumulated depreciation on each machine
: Compute the amount of accumulated depreciation on each machine at December 31, 2015. If machine 2 was purchased on April 1 instead of July 1, what would be the depreciation expense for this machine in 2013 and In 2014?
|
|
Strategies for enhancing antitumor immune responses
: Strategies for enhancing antitumor immune responses include all of the following except
|
|
Vega corporation purchased a patent at a cost
: The amount charged to income (expense and loss) in 2019 related to the patent should be:$ 26,000.$219,200.$ 53,600.$217,000.
|
|
Change the permissions on a file
: Write a command which will change the permissions on a file named boreworms.txt so that the owner of the file has read and execute permission, the group owner has read permission, and no one else has any access to the file.
|
|
Suppose that an investor with two year investment horizon
: Suppose that an investor with a two year investment horizon is considering purchasing a seven year 9% coupon bond selling at par. The investor expects that he can reinvest the coupon payments at an annual interest rate 10% and that at the end of the ..
|
|
Depletion or inactivation of b lymphocytes by drugs
: Depletion or inactivation of B lymphocytes by drugs or antibodies results in reduced graft rejection? true or false
|
|
Remaining until maturity on bonds and the yield to maturity
: Large Industries annual bonds are selling at 95.70 (i.e., the price is $957 for the $1,000 bond). There are 8 years remaining until maturity on the bonds and the yield to maturity is 6.25%. Find the coupon rate. (Note: you may have to use a trial and..
|
|
Management reported that net income rose
: Buckin’ Bronco Corp. posted EBITDA of $305,080, EBIT of $262,620, and EBT of $205,450. Management reported that net income rose by 5% from the previous year and the market value of assets rose by 3%. Using the tax table below, how much will Buckin’ B..
|