Shifts the window horizontally to the left or right one column.
Format
SHIFT
1 – Qualifiers
1.1 /CURRENT
/CURRENT (D)
Specifies the current direction for the shift.
1.2 /FORWARD
Shifts the window to the right so that you can view formerly
hidden text to the right of the original text.
1.3 /REVERSE
Shifts the window to the left so that you can view any text hidden
by a SHIFT/FORWARD command.