Unix - Study Mode

[#301] Which of are following internal commands is used in mail to forward mail to user in user-list?
Correct Answer

(B) m user-list

[#302] Which of the following commands is used to display the filenames in multiple columns?
Correct Answer

(C) ls -x

[#303] Which command is used with file named 'note' to remove the executable permission from the user and assign read permission to the group and others?
Correct Answer

(A) chmod u-x, go+r note

[#304] Which command is used for deleting the character on the left of the cursor?
Correct Answer

(B) X

[#305] vi automatically switches from command mode to input mode when we press 'r'.
Correct Answer

(A) True