[linux]压缩、解压缩

tar -vxf test.tar //解包
tar -vcf test.tar test //将test打包为test.tar

tar -jxvf test.tar.bz2 //解压缩
tar -jcvf test.tar.bz2 test //将test压缩为test.tar.bz2

tar -zxvf test.tar.gz //解压缩
tar -zcvf test.tar.gz test //将test压缩为test.tar.gz