A CDE Definition
The DOS environment is a reserved area in memory that holds values used by DOS and other applications. These "environment variables" are created with the Set command (see Set).
(1) An internal DOS/Windows command that sets environment variables, which are stored values used by the operating system and many applications. To display the current values, type:
SETTING A VALUE
The set command creates an environment variable and places a value into it. Blank spaces matter. The following examples create NEWVAR with a value of "a."
set newvar=a create newvar with "a"
set newvar= a create newvar with " a"
set newvar= delete newvar
(2) (SET) (Secure Electronic Transaction) A standard protocol from MasterCard and Visa for securing online credit card payments via the Internet. In this three-way transaction, the user, merchant and bank must use the SET protocols.
Credit card data and a digital certificate (for authentication) is stored in a plug-in to the user's Web browser. The order is received by a SET-enabled merchant server that passes encrypted payment information to the bank. Approval is electronically sent to the merchant.
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