How does autosubstitution work in bash for TAB?

Question

bash

How does autocompletion work in bash?
For example, I write git stat , I press tab, and the command is completed to status .
Is it possible to do this for bash scripts (*.sh)?
Thanks

Answer 1

Using bash completion on the command line, ...
Using bash completion on the command line, ...

Answer 2

add your directory with sh-scripts to the list of env environment variables and when you press Tab you will be prompted to select your script
* $ PATH variable

Answer 3

I'm not exactly sure, but I think that ls stat* is executed and the result is substituted.
After all, if there are status1 and status2 files in the folder, bash will not substitute the name of a specific file, but will show files starting with "stat".