Daniel, at 12:01 on Apr 19 1996, you wrote ...

ED>>>> SwapVectors;
ED>>>> Exec('c:\command.com', '/c del filename.ext');
ED>>>> SwapVectors;

DO>>> Which version of Pascal do you need to be able to use this 
DO>>> command?! I'm using Turbo Pascal v5.5 and it doesn't seem 
DO>>> to support it :( Might be time to upgrade...

DD>> It most certainly does work in v5.5 - you must have some 
DD>> other problem.

DO> Hmmm... :-\ Well, when I try to compile with the above 
DO> quoted code, all I get is `Error 3: Unknown identifier' :( 
DO> Any ideas? Am I missing some files or something?!

Where is the cursor located when this error appears?  It should be sitting
under the word the compiler doesn't recognise.

You have failed to declare something at the top of your program . . .

Have you included USES DOS in your declarations?

Methinks you need to browse the section on units in your TP5.5 manual.

David
@EOT:

--- Msgedsq/2 3.10