The bottom line of the Terminal window is reserved for the VT status line,
a one-line display that shows information about the current session. Normally,
the host software sets this option. When the Status line is set to Indicator
it shows the current row and column of the text cursor. The position of the
text cursor is always relative to the display, starting from row 1, column 1
at the top left.
When the Status line is set to Host Writable, host applications can display
messages on it. The control function DECSASD selects whether the Terminal window
or the status line is the active area for displaying text.
Note: This setting is saved as part of the model's default settings,
and will be used when initially connecting or resetting a session. Another setting,
VT Status Line Type, reflects the current
terminal state, which can be changed by the host.
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