Putty emulates a terminal which is connected to the
Unix machine via serial (
RS232c) connection. Look here for configuration options. Typical terminal types include
To get proper operation, your
Unix environment variable
TERM has to match the type of terminal being emulated (cf.
Connection/Data/Terminal-type). I am using
xterm, also for text-mode console windows.
echo $TERM as command to find the current value.
Esc is the first character of terminal control sequences. Therefore, it typically should not be used as stand-alone character. Ctrl, Shift and Alt on their own do not trigger any character to be sent to your
Unix machine. You can make use of the
Putty configuration menu
Terminal/Keyboard to influence how certain keys are translated.