How to shrink the log file in MS SQL?

Refer following: 

• https://www.mssqltips.com/sqlservertutorial/3311/how-to-shrink-the-transaction-log/
• https://docs.microsoft.com/en-us/sql/relational-databases/databases/shrink-a-file?view=sql-server-ver15
• https://docs.microsoft.com/en-us/sql/t-sql/database-console-commands/dbcc-shrinkfile-transact-sql?view=sql-server-ver15

Refer to: https://docs.microsoft.com/en-us/sql/relational-databases/databases/shrink-a-file?view=sql-server-ver15#:~:text=Server%20Management%20Studio-,To%20shrink%20a%20data%20or%20log%20file,Shrink%2C%20and%20then%20click%20Files.

To shrink a data or log file

1. Connect to the Database Engine.
2. From the Standard bar, click New Query Window.
3. Execute the following example into the query window. This example uses DBCC SHRINKFILE to shrink the size of a data file named DataFile1 in the UserDB database to 7 MB.

USE UserDB;
GO
DBCC SHRINKFILE (DataFile1, 7);
GO