[root@example ~]# yum groupinfo "Development Tools"
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * addons: ftp.linux.org.tr
 * base: mirrors.ee.teiath.gr
 * extras: ftp.linux.org.tr
 * updates: ftp.linux.org.tr
Setting up Group Process
Checking for new repos for mirrors

Group: Development Tools
 Description: These tools include core development tools such as automake, gcc, perl, python, and debuggers.
 Mandatory Packages:
   autoconf
   automake
   binutils
   bison
   flex
   gcc
   gcc-c++
   gdb
   gettext
   libtool
   make
   pkgconfig
   redhat-rpm-config
   rpm-build
   strace
   strace64
 Default Packages:
   automake14
   automake15
   automake16
   automake17
   byacc
   cscope
   ctags
   cvs
   dev86
   diffstat
   dogtail
   doxygen
   elfutils
   frysk
   gcc-gfortran
   indent
   ltrace
   oprofile
   patchutils
   pfmon
   pstack
   python-ldap
   rcs
   splint
   subversion
   swig
   systemtap
   texinfo
   valgrind
   valgrind-callgrind
 Optional Packages:
   ElectricFence
   ddd
   dejagnu
   expect
   gcc-gnat
   gcc-objc
   gcc44
   gcc44-c++
   gcc44-gfortran
   imake
   java-1.6.0-openjdk
   java-1.6.0-openjdk-devel
   libgfortran44
   memtest86+
   nasm
   pexpect
   unifdef