So we need todeleteline 123 from the known_hosts file, which you can do withanytexteditor you want. Given a standard UNIX setup, you can do it automatically.
Thus affordable flash-based mobile devices will have limited storage capacity and are most useful for a use and delete or on-line access thin client use models.
Look for a line in the file containing mscdex.exe and delete everything up to it, so that the line begins with mscdex.exe. (You can remove all subsequent lines from the file, too.) Save the file.
As for those shortcuts, you only need to remember three keys before you can consider yourself a master: Delete, Insert and the squiggly line that sits below the Esc. key.