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@echo off
rem string
echo hello world!
rem set variable
set name=abc
rem show variable
echo %name%
rem set keyboard input
SET /P lname=Enter Last Name: echo %lname%
rem call another bat file
CALL ../xxxx/yyyy.bat
@ECHO OFFREM - LABEL INDICATING THE BEGINNING OF THE DOCUMENT.:BEGINCLSREM - THE BELOW LINE GIVES THE USER 3 CHOICES (DEFINED AFTER /C:)SET /P num=PICK A NUMBER (1, 2, or 3): REM - THE NEXT THREE LINES ARE DIRECTING USER DEPENDING UPON INPUTIF %num%==3 GOTO THREEIF %num%==2 GOTO TWOIF %num%==1 GOTO ONEGOTO END:THREEECHO YOU HAVE PRESSED THREEGOTO END:TWOECHO YOU HAVE PRESSED TWOGOTO END:ONEECHO YOU HAVE PRESSED ONE:END