Which of the following is used to display all the files including hidden files i

Question

Which of the following is used to display all the files including hidden files in the current directory and all subdirectories? Here, subdirectories are the directories under the current directory (recursively). Is - aR Is -a Is-Itr Is - 1 Which of the following commands displays a file "f infinity" that is too large to fit into a single screen? man f infinity > more cat f infinity more cot f infinity | more None of the above Which command is used to assign rv- permissions to the owner of file " f infinity"? ehmod u + rv f infinity ehmod u - rv f infinity ehmod o - rv f infinity both A) and B) are true Redirection 2 > f infinity in a bash command means Write the content of file named "2" to file "f infinity" Write string "2" to file "f infinity" Write the content in standard output to file "f infinity" Write the content in standard error to file "f infinity" Which of the following is/are the correct method for appending string "f infinity

Explanation / Answer

Ans: A) ls -ar.

a-Hiddenfiles
R-Recursively.
ls -aR displays all files including hidden files in current directory and sub directories too.

2. Ans: B. cat foo <more

3.Ans: B.chmod u=rw foo

4.Ans: A. write the content of file named '2' to file 'foo'

5. A and B

echo foo > /tmp/bar
echo foo >> /tmp/bar

6. Ans: D. $?

7. Ans: C.grep [" "] foo

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