Compression and Archive using TAR

Different types of compression using the TAR command

[root@linux ~]# tar -cvf /tmp/etc.tar /etc  <==archive only,not compress
[root@linux ~]# tar -zcvf /tmp/etc.tar.gz /etc  <==archive&compress(gzip)
[root@linux ~]# tar -jcvf /tmp/etc.tar.bz2 /etc <==archive&compress(bzip2)