Logical operators are used to compute boolean expressions in batch programming.

In every directory, different files exist - NUL which is equivalent to /dev/null in Unix.

There are multiple ways to create an empty file in the Windows command line.

one using the type command with the pipe redirection operator

type NUL > empty1.txt

This creates an empty1.txt file.

Another, using the cd command with the pipe redirection symbol.

cd . > empty2.txt

Third, use the call command.

call > empty3.txt

fourth way using the copy command

copy > empty4.txt

The fifth way, using the echo command.

echo . > empty5.txt

The sixth way is using Notepad on windows

notepad empty6.txt

This creates empty6.txt and opens the empty file in Notepad.

The seventh way is using the break command.

break > empty.txt

The above all are commands to create an empty file with zero bytes of size in the Windows dos command prompt. The above all are commands to create an empty file with zero bytes of size in the Windows dos command prompt.