Shrink Log Space in SQL

DBCC LOGINFO(DB_NAME)
BACKUP LOG [DB_NAME] TO DISK = 'E:\Program Files\Microsoft SQL Server\MSSQL\Backup\DB_NAME.bak'
DBCC SHRINKFILE(NEWDATACOLLECT_Log)--right click db goto properties then files menu there you can get log name
DBCC LOGINFO(DB_NAME)