Create .tar archive file:

# tar -cvf /root/archive.tar /usr/local

Create tar.gz compressed archive file (cvzf= create verbose zip file):

# tar -cvzf /root/archive.tar.gz /usr/local

List files from a .tar.gz compressed archive:

# tar -tvzf /root/archive.tar.gz

Create tar.bz2 archive file:

# tar -cvjf /root/archive.tar.bz2 /usr/local

Create tar.xz archive file:

# tar -cvJf /root/archive.tar.xz /usr/local

Extract archive:

# tar -xvf /root/archive.tar

# tar -xvzf /root/archive.tar.gz

# tar -xvjf /root/archive.tar.bz2

# tar -zvJf /root/archive.tar.xz