Unix - Study Mode

[#111] How can we escape to the UNIX shell without quitting vi editor?
Correct Answer

(D) using ':sh' command and using ctrl-Z

[#112] vi environment is determined by variable settings. These variables are controlled by . . . . . . . . command.
Correct Answer

(A) :set

[#113] UNIX treats everything as a file.
Correct Answer

(A) True

[#114] The contents of file001 are: 232
25*50 What will be the contents of result.txt? bc < file001 > result.txt
Correct Answer

(C) 429467296, 1250

[#115] Which one of the following command will display the name of the shell we are working on?
Correct Answer

(C) echo $SHELL