Linux package management using YUM

how to use YUM (CentOS Package Management). Install a package, remove a package, update a package, check for update, security update. 1) check update yum check-update 2) install a package yum install package_name 3) update a packages yum update package_name 4) search a package yum search search_keywords 5) update entire system yum update 6) list all installed packages yum list all 7) remove a package yum remove package_name