Knowledge Walls
John Peter
Pune, Maharashtra, India
Set in Commands of MS-DOS Commands
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Define SET command in MS DOS 
SET command is used in two ways. one way is read a string to the variable from console by /p mode, this will prompt string from the end-user and another way is eval the expression using /a mode.

SET /a expression
SET /a c=a+b

SET /p variable=Prompt value label
SET /p a=Enter the a value

Just assign string using SET command like below.
SET name=Knowledgewalls
Example of SET command
@echo off

SET a=20
SET b=30

SET /a c=a+b
ECHO C value is %c%
Output 
C value is 50
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