On Debian 9 system to compile and install command to extract the file snappy line tool.
Download compiling dependencies
$ sudo apt-get install libsnappy-dev
Download the source code to compile and install
tar xvfz snappy-1.1.3.tar.gz
cd snappy-1.1.3
./configure --prefix=/usr/local/snappy
make
make install
unzip files
# 解压hadoop-snappy格式文件
snzip -d file_name.snappy
Other file compression / decompression command of reference GitHub README.