yum

yum： Yellowdog Updater Modified

• yum [options] [command] [package ...]
  yum search lrzsz，搜索 rz/sz 命令包 lrzsz，lrz 和 lsz，是 rz 和 sz 的替代版；
• 以安装 man 命令为例

yum install man -y
which man
man man
man yum
yum search tree /* you should see it in the search list */
yum install tree /* tree 命令安装上方便些，也可以使用 find 命令自定义一个 tree */

-y, --assumeyes：Assume yes; assume that the answer to any question which would be asked is yes.

• yum info <package>
  如：yum info cmake
• yum search <package>
• yum install <package>
• yum repolist：查看库列表（repo id, repo name, status（包个数））
  yum install epel-release
• [man]
  man: format and display the on-line manual pages。常见的 manual sections 编号：1 表示 User Commands，5 表示 File Formats and Conventions，8 表示 System Administration tools and Deamons。
  比如：less(1), man.config(5)，表示让你查看 less 命令帮助，man.config 文件帮助。
  man [section] name 查看指定 section 编号的 name 帮助。
• install build tools
  有源码很好，可是需要编译安装，前提是首先安装有编译和安装工具（compile and install）。
  yum install gcc-c++ make 或者
  yum groupinstall 'Development Tools'
• yum search sysstat
  The iostat command is used to check disk input/output statistics in real time. The iostat utility is installed with yum via the sysstat package.
• rpm & yum
  [RPM and YUM package management][]；
  [Package Manager][]；
  [Difference Between YUM and RPM][]；
  RPM is a package manager while YUM is a frontend that can be used with RPM.
  The RPM package manager is unable to track dependencies while YUM can.
• rpm -qa
  -q, --query 查询；
  -a, --all；

yum grouplist

• yum grouplist | grep -i development
  查看 Development tools 是否已安装
• # yum groupinstall Development tools
• bybacc 和 flex 在 Development tools 里面都已包含，无需单独安装。
• yum groupinfo Development tools

Loaded plugins: fastestmirror
Setting up Group Process
Loading mirror speeds from cached hostfile

Group: Development tools
 Description: A basic development environment.
 Mandatory Packages:
   autoconf
   automake
   binutils
   bison
   flex
   gcc
   gcc-c++
   gettext
   libtool
   make
   patch
   pkgconfig
   redhat-rpm-config
   rpm-build
 Default Packages:
   byacc
   cscope
   ctags
   cvs
   diffstat
   doxygen
   elfutils
   gcc-gfortran
   git
   indent
   intltool
   patchutils
   rcs
   subversion
   swig
   systemtap
 Optional Packages:
   ElectricFence
   PyYAML
   ant
   babel
   bzr
   chrpath
   cmake
   compat-gcc-34
   compat-gcc-34-c++
   compat-gcc-34-g77
   cvs-inetd
   dejagnu
   expect
   gcc-gnat
   gcc-java
   gcc-objc
   gcc-objc++
   imake
   jpackage-utils
   kdewebdev
   ksc
   libstdc++-docs
   mercurial
   mod_dav_svn
   nasm
   perltidy
   python-docs
   python-requests
   python-six
   rpmdevtools
   rpmlint
   systemtap-sdt-devel
   systemtap-server