## Aliases
  
  alias ys="yum search"                       # search package
  alias yp="yum info"                         # show package info
  alias yl="yum list"                         # list packages
  alias ygl="yum grouplist"                   # list package groups
  alias yli="yum list installed"              # print all installed packages
  alias ymc="yum makecache"                   # rebuilds the yum package list
  
  alias yu="sudo yum update"                  # upgrate packages
  alias yi="sudo yum install"                 # install package
  alias ygi="sudo yum groupinstall"           # install package group
  alias yr="sudo yum remove"                  # remove package
  alias ygr="sudo yum groupremove"            # remove pagage group
  alias yrl="sudo yum remove --remove-leaves" # remove package and leaves
  alias yc="sudo yum clean all"               # clean cache