How to compress and extract file(s) by using tar command?

tar: compress or extract file(s)

parameters:

-c create compress

-f denote a file name

-v show verbose information

-x extract compress files

-z use gzip(1) to compress files

--dereference compress target files rather than link files

Demos:

1. compress /etc to /tmp/etc.tar.gz

   tar -zcvf /tmp/etc.tar.gz /etc

2. compress /etc to /tmp/etc.tar.gz, for link file compress its target files

   tar --dereference -zcvf /tmp/etc.tar.gz /etc

3. pack /etc to /tmp/etc.tar without compress

   tar -cvf /tmp/etc.tar /etc

4. extract /tmp/etc.tar.gz to /usr/local/src

   cd /usr/local/src

   tar -xzvf /tmp/etc.tar.tz

5. unpack /tmp/etc.tar to /usr/local/src

   cd /usr/local/src

   tar -xvf /tmp/etc.tar