compress and extract files in linux

Extract files:
1) extract bz2 files: tar xvf
2) extract gz files: gunzip filename.gz
gzip -d filename.gz
3) extract zip files: unzip filename.zip
4) extract tar files: tar -xvf foo.tar
5) extract tgz files: tar -xzvf foo.tgz
6) extract tbz2 files : tar -jxvf data.tbz2

compress files:
1) compress with tar: tar -cvf filename.tar filename
tar -zcvf filename.tgz *.doc
tar -zcvf pics.tar.gz *.jpg *.png
tar -jcvf data.tbz2 *.doc
2) compress with zip: zip filename.zip filename
3) compress with gzip: gzip filename
4) compress with bzip2: bzip2 mydata.doc