This article was previously published under Q26281
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In Microsoft MS-DOS versions 3.2 and later, redirection has higher prioritythan the REM command. For example, the following batch file causes the filetest to contain either "BBBBB" or zero bytes after the REM statement,depending on which version of MS-DOS your are using. In other words, theredirection symbol is not disabled by the REM statement.
echo AAAAA > test type test REM echo BBBBB test > test type test
Even if you comment out the redirection with a REM statement, it stilloccurs, nullifying the file (because the REM command ensures that nothingwould be redirected into the file).