We are unable to reproduce the issue. What OS and .NET do you use?
And can you reproduce the issue by following the steps below?
1. Download and install the latest version of Rebex Terminal Emulation product to default location.
2. Run "c:\Program Files (x86)\Rebex Components R6.2\samples\bin\TerminalClientWinForm.exe" application.
3. In the 'File' menu, choose 'Connect...' and connect using SSH to test.rebex.net with "demo" and "password" as credentials.
4. Click the terminal area and try typing "dir".