9.7 C高级day2 作业

 

 

#!/bin/bash 
mkdir ~/dir
mkdir ~/dir/dir1
mkdir ~/dir/dir2
cp ./* ~/dir/dir1 -r
cp ./*.sh ~/dir/dir2
cd ~/dir
tar -cJf dir2.tar.xz dir2
mv dir2.tar.xz dir1
cd 
tar -xJf dir/dir1/dir2.tar.xz -C dir/dir1
tree ~/dir