Unix - Study Mode

[#401] Which of the following functions are used for obtaining and setting the value of environment variables?
Correct Answer

(D) getenv and setenv

[#402] To create a space for entering a new line of text above the current cursor location, 'O' command is used.
Correct Answer

(A) True

[#403] To copy (yank) lines in vi editor, we use . . . . . . . . command.
Correct Answer

(D) yy

[#404] -ok option is used with find command for seeking information before taking the action specified.
Correct Answer

(A) True

[#405] t command positions the cursor a single character before the occurrence.
Correct Answer

(A) True