I ran it on macOS, and there I got: $ base64 /dev/urandom | head -c 1000000000 | wc 0 1 1000000000 I haven't tried anywhere else, so it might

I ran it on macOS, and there I got: $ base64 /dev/urandom | head -c 1000000000 | wc 0 1 1000000000 I haven't tried anywhere else, so it might be different on Linux or GNU or whatever.