The tar command is included in the tar package on RHEL, CentOS, and other distributions based on them. To install tar on RHEL/CentOS 6, 7, or 8, you can use the yum command as follows:
tar package:sudo yum install tar
This will install the tar command and its dependencies.
tar --version
This will print the version of tar installed on your system, indicating that it is working correctly.