Beginners Learn the difference between Linux:&> and >

">" output redirect, using format:
Commands > Documents
Function: Redirects the standard output to a file and overwrites the contents of the file, which is called the callout output, and only outputs the correct command information to the file.
"&>" is also used as output redirection, using the format:
Commands &> Documents
The function:&> is different from the other, it can not only redirect the correct information output to the file, but also can redirect the wrong information output to the file.

Measured
! [] [(http://i2.51cto.com/images/blog/201805/25/5417f0a41d656cb5a994cbb9906de0ad.png?x-oss-process=image/ Watermark,size_16,text_qduxq1rp5y2a5a6i,color_ffffff,t_100,g_se,x_10,y_10,shadow_90,type_zmfuz3pozw5nagvpdgk=]

Beginners Learn the difference between Linux:&> and >