Re: Virus's

[zblaxell () miranda uwaterloo ca (Zygo Blaxell)]

Quoted from peter theobald:
> On the old Apple II, there were escape codes you could embed into
> a printable string that would position the cursor, write a command,
> and then cause that line on the screen to be executed.
> Ie: executable mail!

On the old Apple II, it was the only way to execute disk commands.

        PRINT CHR$(4); "CATALOG"

is the directory command (Apple II basic didn't include disk commands as
part of the language--it was intercepted by the console print routine).