The list of key combinations and relevant actions that are supported by the active terminal window:
Ctrl+c - Copy the text to clipboard.
Ctrl+v - Paste from clipboard.
Alt+PageDown - Append SOM.
Ctrl+Up - Previous history command.
Ctrl+Down - Next history command.
Ctrl+w - Clear the active terminal window.
Note: Ctrl+w command is a default browser command for tab closure. However there are some options still. In Chrome you can create a Shortcut for GalileoTerminal website. When you click on this Shortcut GalileoTerminal would run in dedicated window where default browser Ctrl+w command is suppressed. Here is how to create Shortcut in Chrome: https://www.google.cz/search?q=create+desktop+shortcut+to+website+chrome&sa=X&ved=0ahUKEwjN4pLozo_eAhUCjCwKHSlIC-YQ1QII1wEoAA&biw=1600&bih=827
Ctrl+s - Clear all terminal windows.
Ctrl+3 - Move to (activate) the terminal window 3.
Up, Down - Move cursor one row up or down.
Left, Right - Move cursor one character left or right.
Home - Move to the previous SOM.
End - Move to the last non-space character in the current row.
PageUp - Scroll one page up.
PageDown - Scroll one page down.
Tab - Move cursor to the next tab stop.
Enter - Send the command (everything from the current cursor position back to the nearest SOM).
Backspace - Delete the previous character.
Delete - Delete the character at the cursor.
Insert - Toggle insert / overwrite mode.