zip
compress: zip -r archive_name.zip directory_to_compress
extract: unzip archive_name.zip


tar
compress: tar -cvf archive_name.tar directory_to_compress
extract: tar -xvf archive_name.tar


tar.gz
compress: tar -zcvf archive_name.tar.gz directory_to_compress
extract: tar -zxvf archive_name.tar.gz


tar.bz2
compress: tar -jcvf archive_name.tar.bz2 directory_to_compress
extract: tar -jxvf archive_name.tar.bz2 


