Set a local environment variable in the current shell. If any global
variables have the same name the local variable will be used instead.
This instance the variable is only accessible from within the shell
it was defined.
If no parameters are specified, the current list of local variables
are displayed.
Inputs
NAME - The name of the local variable to set.
STRING - The value of the local variable NAME.
Result
Standard DOS error codes.
Example
Set Jump 5
Sets a local variable called "Jump" to the value of "5".