1. To undo a number of changes that are made to a single line before moving it away from that line, what command do we use?
(A) .u
(B) U
(C) dd
(D) yy
2. The ‘yy’ command can be used to copy and paste operations.
(A) True
(B) False
(C) Partially True
Answer: (A) True
3. 10 last editing actions will be reversed by ‘10u’.
(A) True
(B) False
(C) Partially True
Answer: (A) True
4. To join the lines, what command do we use?
(A) J
(B) j
(C) yy
(D) jn
5. For redo the changes made by undo command, what command do we use?
(A) ctrl-l
(B) ctrl-r
(C) ctrl-g
(D) ctrl-f
6. To repeat the last command, what symbol do we use?
(A) $
(B) *
(C) .
(D) _
7. For joining 4 lines with the current line, what command do we use?
(A) 5J
(B) 4J
(C) 6J
(D) 4j
8. To undo a most recent single editing change, what command do we use?
(A) u
(B) U
(C) uu
(D) yy