Set the date format shown in the LL and Ls-l commands

In the process of using LL or LS-L commands in Linux, the date display always shows the English date, feeling very uncomfortable, then how to set the display format is according to our definition?

1, temporarily change the display style, when the return to the end of the original style

Export time_style= ' +%y-%m-%d%h:%m:%s ' # execute directly in the command

2, permanently change the display style, the effect will be saved after the change

Modify the/etc/profile file to add at the end of the file content
Export time_style= ' +%y-%m-%d%h:%m:%s '

Execute the following command to make your modified/etc/profile file configuration effective
Source/etc/profile

Set the date format shown in the LL and Ls-l commands