Write a footstep in Liunx steps to periodically remove data from MySQL _unix Linux

First create a file directory
mkdir myfile
VI: Create a modified file
VI Delradiusdata

Copy Code code as follows:

VI is the Linux to create and edit files commonly used tools, the following has been created startweblogic.sh script, for example, to explain common operations.
1, the first implementation of VI startweblogic.sh, if this time the current directory does not have this file, it will be new; if there is a file with the same name, the contents of the file will be read and displayed.
2, into the VI editor, the initial command mode, if you need to enter text, you can click on the keyboard i,a,r (I=insert, A=append, r=replace);
3, after entering the text, if you need to file, copy, delete, find and other operations, you can click ESC, back to the command mode;