Unix - Study Mode

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[#781] If a file is read protected, we can write to the file.

(A) True

(B) False

Correct Answer

(B) False

[#782] Which of the following are history variables?

(A) HISTISIZE

(B) HISTFILESIZE

(C) HISTORY

(D) HISTISIZE and HISTFILESIZE

Correct Answer

(D) HISTISIZE and HISTFILESIZE

[#783] Which of the following control keys will be used for scrolling one page forward?

(A) ctrl-f

(B) ctrl-b

(C) ctrl-z

(D) ctrl-v

Correct Answer

(A) ctrl-f

[#784] It is better to use & with nice command.

(A) True

(B) False

Correct Answer

(A) True

[#785] Every shell uses at least one startup script in the user's home directory, which is executed when the user logs in.

(A) True

(B) False

Correct Answer

(A) True