- 产生任意大小文件
dd if=/dev/zero of=hello.txt bs=100M count=1
- 循环产生不同的命名的文件
#!/bin/bash
set -ex
for x in {1..200}; do dd if=/dev/zero of=./testdir/hello${x}.txt bs=1M count=1; done
dd if=/dev/zero of=hello.txt bs=100M count=1
#!/bin/bash
set -ex
for x in {1..200}; do dd if=/dev/zero of=./testdir/hello${x}.txt bs=1M count=1; done