Health install Tab completion feature: bash-completion

1, coated with bash-completion program installed yum

yum -y install bash-completion*

prompt:

    1) If all goes well, you can use the tab healthy auto-complete function of;

    2) If you still can not be healthy Tab completion, you can exit the command line, and then re-open the terminal;

    3) or reboot the system to launch the software is also available.