Unix - Study Mode

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[#896] To perform decision depending on the fulfillment of certain criteria, . . . . . . . . is used.

(A) if

(B) else

(C) for

(D) if and else

Correct Answer

(D) if and else

[#897] We can use relative addressing while executing previous commands.

(A) True

(B) False

Correct Answer

(A) True

[#898] The >> symbol is used to overwrite the existing file if it exists.

(A) True

(B) False

Correct Answer

(B) False

[#899] Which command saves one copy of character stream in a file and store the other to standard output?

(A) who

(B) ls

(C) tee

(D) wc

Correct Answer

(C) tee

[#900] If the file is write-protected and the directory has to write permission then we cannot delete the file.

(A) True

(B) False

Correct Answer

(B) False