Easiest Way to Fill A File With Zeros
Geeks - One way to fill a file with zeros is to use the dd command. The dd command is a utility that allows you to copy and convert data. To use it to fill a file with zeros, you would use the following syntax:
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dd if=/dev/zero of=<filename> bs=1 count=<size>
Here, if specifies the input file, which in this case is /dev/zero, a special file that generates an infinite stream of zeros. of specifies the output file, which is the file that you want to fill with zeros. bs specifies the block size, which determines how much data is written to the output file at a time. count specifies the number of blocks to write, which determines the size of the output file.
For example, to create a file named zerofile that is 100 MB in size, you would use the following command:
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dd if=/dev/zero of=zerofile bs=1M count=100
This command would create a file named zerofile that contains 100 MB of zeros.
