Answer the following statements true (T) or false (F)

1. Entering 2x in command mode deletes 2 lines, starting from letter x.
2. Pressing letter R in command mode makes vi repeat the last command.
3. Pressing letters U or u in text mode makes vi undo the last change/changes.
4. Pressing the $ key in command mode places the cursor at the end of the current line.
5. Pressing the O key in command mode opens two new line below the current line.

1. False
2. False
3. False
4. True
5. False