The program 'unzip' is currently not installed. You can install it by typing:

linux解压遇到下面问题：
The program ‘unzip’ is currently not installed. You can install it by typing: sudo apt-get install unzip；
说明我们还没有安装 相应的package,需要使用命令安装unzip

sudo apt-get install unzip

安装好即可使用unzip