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How does the given command check RAM? dd if=/dev/zero of=/run/zero.bin bs=1G count=8 sha1sum /run/zero.bin /dev/zero is a special file that always returns

by dalke 10y ago

How does the given command check RAM? dd if=/dev/zero of=/run/zero.bin bs=1G count=8 sha1sum /run/zero.bin /dev/zero is a special file that always returns zeros. Nothing in there looks like it touches more than a trivial amount of RAM. Plus, this test can't tell if a bit is always zero.