CoreBOSBB

Is possible I create a custom field with a command line?

like php ......

I wish automated a job with a shell script, and this is very helpfull

I wish create or change a user
I wish create a new custom field

Some actions can be taken from CLI, you can see those here:

https://github.com/tsolucio/corebos/tree/master/build/console

then you can create any scripts you need that can be executed from the command line (there are examples in HelperScripts dicretory)

Is possible executed a corebos_updater thru cli ?

Yes: https://corebos.org/documentation/doku.php?id=en:devel:corebosupdater#command_line_execution