Use CursUp to move the cursor vertically backward (toward the top) a specified number of lines.
CursUp may also be entered as CursU[p] or U[p].
Optional Operands
FCT specifies the number of lines to position backward .
Default: 1.
CursUp may be invoked without operands by pressing the UpArrow key.
Return Codes
OK Successful.
Examples
Position up 1 line:
=> u
Position up 400 lines:
=> u 400