system environment/base
- centos-release - CentOS release file
 - centos-release-notes - CentOS release notes files
 - device-mapper - device mapper library
 - device-mapper-event - Device-mapper event daemon
 - device-mapper-multipath - Tools to manage multipath devices using device-mapper.
 - dhcpv6-client - DHCPv6 client
 - dmidecode - Tool to analyse BIOS DMI data.
 - e2fsprogs - Utilities for managing the second and third extended (ext2/ext3) filesystems
 - glibc-common - Common binaries and locale data for glibc
 - hwdata - Hardware identification and configuration data
 - irqbalance - IRQ balancing daemon.
 - kpartx - Partition device manager for device-mapper devices.
 - lvm2 - Userland logical volume management tools
 - microcode_ctl - Tool to update x86/x86-64 CPU microcode.
 - mkinitrd - Creates an initial ramdisk image for preloading modules.
 - nash - nash shell
 - nss_ldap - NSS library and PAM module for LDAP.
 - pam - A security tool which provides authentication for applications
 - rpm - The RPM package management system
 - selinux-policy-targeted - SELinux targeted base policy
 - shadow-utils - Utilities for managing accounts and shadow password files.
 - tzdata - Timezone data
 - udev - A userspace implementation of devfs