tell application "Terminal"
do script " "
activate
end tell
It seems weird but it takes advantage of an oddity in how Terminal handles incoming "do script" commands; it creates a new window for each one. You could actually replace that with something useful if you want; it'll execute whatever you want just after opening the new window.
If you're using PuTTY, I'd just duplicate the session.
Remember that PuTTY is a Windows application, and your Linux machine can't make a new Windows application instance.
If you have an X Window server (and you can download XMing XServer for free), you can run a few different terminals, including xterm, gnome-terminal or konsole, etc.
You can also use the same PuTTY window with multiple sessions with screen or tmux.
Best Answer
That's system specific. On KDE, just type
konsole. On Gnome, it'sgnome-terminal. What should work on every X system isxterm.Edit: Removed the bit about
$TERM, as it is an "identifier for the text window’s capabilities" and not necessarily the name of an executable binary.