While testing an upload service for example you probably need to test it with a large file. On the Linux command-line you can create such a file with the
To generate a file of 10MB you can run the following command. This will create a file called
largefile.txt in your current directory filled with zeros. If you prefer random data instead of zeros you will have to replace
$ dd if=/dev/zero of=largefile.txt bs=1M count=10.