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 EXEC 'command 1' ['command 2'] ['command 3'] .... etc.
 Executes external commands as if you would write them into a shell
 window. Note the use of the '-signs. This is made so you can use
 "-signs in your command lines. Every command line is stated within
 two '-signs. Like this:
 Exec 'list >"ram:A file"' 'type "ram:A file"'
 It is however possible to use the "-signs instead of the '-signs if
 you not are going to use any "-signs in your command. Like this:
 Exec "list ram:" is equvivalent to Exec 'list ram:'.
 But Exec 'list "ram disk:"' is not equal to Exec "list "ram disk:""
 where selector will believe that you want to execute the command
 "list " and then the command ram etc. Read more about string syntax
 under Concepts.

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