SQL Query: Force to Shrink all DBs

DO NOT USE THIS SCRIPTS WITHIN YOUR PROD ENVIRONMENT!!!!

sp_MSForEachDB '

backup log [?] to disk = ''nul'''

go

sp_MSForEachDB '

use [?];

checkpoint

'

go

sp_MSForEachDB '

USE [?];

DBCC SHRINKFILE (N''?_log'' , 1024)

'

go