If you want to apply the Bzip2 tar patch which gives you the -y option to tar so you can use bzip2 files with tar, first download the patch from http://sourceware.cygnus.com/bzip2/ and apply it by running the following command within the src directory under the tar-1.13 directory:
root:tar-1.13# cd src
root:src# patch -i ../../gnutarpatch.txt
Install Tar by running the following commands:
root:tar-1.13# ./configure --prefix=/usr
root:tar-1.13# make
root:tar-1.13# make install
root:tar-1.13# mv /usr/bin/tar /bin
The tar package contains the tar and rmt programs.
tar is an archiving program designed to store and extract files from an archive file known as a tarfile.
rmt is a program used by the remote dump and restore programs in manipulating a magnetic tape drive through an interprocess communication connection.