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 Purpose  | 
 Modify the current program's environment table.  | 
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 Syntax  | 
 ENVIRON envstring$  | 
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 Remarks  | 
 Modify the environment table for the current program and any subsequent child programs that are launched. A single string expression parameter sets both the name of the environment variable and its value, delimited by an equal ("=") sign. If a value is not specified, the variable is removed from the environment table.  | 
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 See also  | 
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 Example  | 
 ENVIRON "SETMODE=YES" ' SETMODE = "YES" ENVIRON "SETMODE=" ' Removes SETMODE  |