Unpack tar archives under Linux (filename.tar)

How to unpack a TAR archive quickly and correctly and how to create a TAR archive correctly?

Short explanation about the Tar Archives.

Different archive formats are available for Linux operating systems. Here is a quick list of how to unpack or assemble them.

A TAR archive is one of the most common formats for Linux systems.

Unpacking an archive:
tar xfv file-archiv.tar
Pack files/folders into an archive:
tar cfv file-archiv.tar content1 content2 folder1
Create compressed archives:
tar cfzv file-archiv.tar content1 content2 folder1
List the contents of an archive:
tar tfv file-archiv.tar