Unix - Study Mode

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[#166] The File that contains a set of instructions which are performed when a user logs in, is

(A) .exrc

(B) .profile

(C) .autoexec

(D) autoexec.bat

Correct Answer

(B) .profile

[#167] The octal representation 652 indicates

(A) Execute permission for the owner

(B) Write permission for others

(C) Read and write permission of groups

(D) All of the above

Correct Answer

(B) Write permission for others

[#168] Which of the following command is used to count just the number of lines contained in a file?

(A) wc -l

(B) wc -c

(C) wc -w

(D) wc -r

Correct Answer

(A) wc -l

[#169] We can scroll halve page using control keys.

(A) True

(B) False

Correct Answer

(A) True

[#170] Which symbol is used with the tail command to print the file from the selected line?

(A) +

(B) –

(C) %%

(D) ^

Correct Answer

(A) +